diff --git a/crates/rust-analyzer/src/main_loop.rs b/crates/rust-analyzer/src/main_loop.rs
index e27d85dc92..333ecc8598 100644
--- a/crates/rust-analyzer/src/main_loop.rs
+++ b/crates/rust-analyzer/src/main_loop.rs
@@ -104,7 +104,7 @@ pub fn main_loop(ws_roots: Vec<PathBuf>, config: Config, connection: Connection)
 
             if project_roots.is_empty() && config.notifications.cargo_toml_not_found {
                 show_message(
-                    req::MessageType::Error,
+                    lsp_types::MessageType::Error,
                     format!(
                         "rust-analyzer failed to discover workspace, no Cargo.toml found, dirs searched: {}",
                         ws_roots.iter().format_with(", ", |it, f| f(&it.display()))
@@ -124,7 +124,7 @@ pub fn main_loop(ws_roots: Vec<PathBuf>, config: Config, connection: Connection)
                     .map_err(|err| {
                         log::error!("failed to load workspace: {:#}", err);
                         show_message(
-                            req::MessageType::Error,
+                            lsp_types::MessageType::Error,
                             format!("rust-analyzer failed to load workspace: {:#}", err),
                             &connection.sender,
                         );
@@ -142,23 +142,25 @@ pub fn main_loop(ws_roots: Vec<PathBuf>, config: Config, connection: Connection)
             .collect::<std::result::Result<Vec<_>, _>>()?;
 
         if let FilesWatcher::Client = config.files.watcher {
-            let registration_options = req::DidChangeWatchedFilesRegistrationOptions {
+            let registration_options = lsp_types::DidChangeWatchedFilesRegistrationOptions {
                 watchers: workspaces
                     .iter()
                     .flat_map(ProjectWorkspace::to_roots)
                     .filter(PackageRoot::is_member)
                     .map(|root| format!("{}/**/*.rs", root.path().display()))
-                    .map(|glob_pattern| req::FileSystemWatcher { glob_pattern, kind: None })
+                    .map(|glob_pattern| lsp_types::FileSystemWatcher { glob_pattern, kind: None })
                     .collect(),
             };
-            let registration = req::Registration {
+            let registration = lsp_types::Registration {
                 id: "file-watcher".to_string(),
                 method: "workspace/didChangeWatchedFiles".to_string(),
                 register_options: Some(serde_json::to_value(registration_options).unwrap()),
             };
-            let params = req::RegistrationParams { registrations: vec![registration] };
-            let request =
-                request_new::<req::RegisterCapability>(loop_state.next_request_id(), params);
+            let params = lsp_types::RegistrationParams { registrations: vec![registration] };
+            let request = request_new::<lsp_types::request::RegisterCapability>(
+                loop_state.next_request_id(),
+                params,
+            );
             connection.sender.send(request.into()).unwrap();
         }
 
@@ -258,14 +260,14 @@ impl fmt::Debug for Event {
 
         match self {
             Event::Msg(Message::Notification(not)) => {
-                if notification_is::<req::DidOpenTextDocument>(not)
-                    || notification_is::<req::DidChangeTextDocument>(not)
+                if notification_is::<lsp_types::notification::DidOpenTextDocument>(not)
+                    || notification_is::<lsp_types::notification::DidChangeTextDocument>(not)
                 {
                     return debug_verbose_not(not, f);
                 }
             }
             Event::Task(Task::Notify(not)) => {
-                if notification_is::<req::PublishDiagnostics>(not) {
+                if notification_is::<lsp_types::notification::PublishDiagnostics>(not) {
                     return debug_verbose_not(not, f);
                 }
             }
@@ -450,7 +452,7 @@ fn loop_turn(
         log::error!("overly long loop turn: {:?}", loop_duration);
         if env::var("RA_PROFILE").is_ok() {
             show_message(
-                req::MessageType::Error,
+                lsp_types::MessageType::Error,
                 format!("overly long loop turn: {:?}", loop_duration),
                 &connection.sender,
             );
@@ -503,7 +505,7 @@ fn on_request(
         .on_sync::<req::CollectGarbage>(|s, ()| Ok(s.collect_garbage()))?
         .on_sync::<req::JoinLines>(|s, p| handlers::handle_join_lines(s.snapshot(), p))?
         .on_sync::<req::OnEnter>(|s, p| handlers::handle_on_enter(s.snapshot(), p))?
-        .on_sync::<req::SelectionRangeRequest>(|s, p| {
+        .on_sync::<lsp_types::request::SelectionRangeRequest>(|s, p| {
             handlers::handle_selection_range(s.snapshot(), p)
         })?
         .on_sync::<req::FindMatchingBrace>(|s, p| {
@@ -512,32 +514,38 @@ fn on_request(
         .on::<req::AnalyzerStatus>(handlers::handle_analyzer_status)?
         .on::<req::SyntaxTree>(handlers::handle_syntax_tree)?
         .on::<req::ExpandMacro>(handlers::handle_expand_macro)?
-        .on::<req::OnTypeFormatting>(handlers::handle_on_type_formatting)?
-        .on::<req::DocumentSymbolRequest>(handlers::handle_document_symbol)?
-        .on::<req::WorkspaceSymbol>(handlers::handle_workspace_symbol)?
-        .on::<req::GotoDefinition>(handlers::handle_goto_definition)?
-        .on::<req::GotoImplementation>(handlers::handle_goto_implementation)?
-        .on::<req::GotoTypeDefinition>(handlers::handle_goto_type_definition)?
+        .on::<lsp_types::request::OnTypeFormatting>(handlers::handle_on_type_formatting)?
+        .on::<lsp_types::request::DocumentSymbolRequest>(handlers::handle_document_symbol)?
+        .on::<lsp_types::request::WorkspaceSymbol>(handlers::handle_workspace_symbol)?
+        .on::<lsp_types::request::GotoDefinition>(handlers::handle_goto_definition)?
+        .on::<lsp_types::request::GotoImplementation>(handlers::handle_goto_implementation)?
+        .on::<lsp_types::request::GotoTypeDefinition>(handlers::handle_goto_type_definition)?
         .on::<req::ParentModule>(handlers::handle_parent_module)?
         .on::<req::Runnables>(handlers::handle_runnables)?
-        .on::<req::Completion>(handlers::handle_completion)?
-        .on::<req::CodeActionRequest>(handlers::handle_code_action)?
-        .on::<req::CodeLensRequest>(handlers::handle_code_lens)?
-        .on::<req::CodeLensResolve>(handlers::handle_code_lens_resolve)?
-        .on::<req::FoldingRangeRequest>(handlers::handle_folding_range)?
-        .on::<req::SignatureHelpRequest>(handlers::handle_signature_help)?
-        .on::<req::HoverRequest>(handlers::handle_hover)?
-        .on::<req::PrepareRenameRequest>(handlers::handle_prepare_rename)?
-        .on::<req::Rename>(handlers::handle_rename)?
-        .on::<req::References>(handlers::handle_references)?
-        .on::<req::Formatting>(handlers::handle_formatting)?
-        .on::<req::DocumentHighlightRequest>(handlers::handle_document_highlight)?
+        .on::<lsp_types::request::Completion>(handlers::handle_completion)?
+        .on::<lsp_types::request::CodeActionRequest>(handlers::handle_code_action)?
+        .on::<lsp_types::request::CodeLensRequest>(handlers::handle_code_lens)?
+        .on::<lsp_types::request::CodeLensResolve>(handlers::handle_code_lens_resolve)?
+        .on::<lsp_types::request::FoldingRangeRequest>(handlers::handle_folding_range)?
+        .on::<lsp_types::request::SignatureHelpRequest>(handlers::handle_signature_help)?
+        .on::<lsp_types::request::HoverRequest>(handlers::handle_hover)?
+        .on::<lsp_types::request::PrepareRenameRequest>(handlers::handle_prepare_rename)?
+        .on::<lsp_types::request::Rename>(handlers::handle_rename)?
+        .on::<lsp_types::request::References>(handlers::handle_references)?
+        .on::<lsp_types::request::Formatting>(handlers::handle_formatting)?
+        .on::<lsp_types::request::DocumentHighlightRequest>(handlers::handle_document_highlight)?
         .on::<req::InlayHints>(handlers::handle_inlay_hints)?
-        .on::<req::CallHierarchyPrepare>(handlers::handle_call_hierarchy_prepare)?
-        .on::<req::CallHierarchyIncomingCalls>(handlers::handle_call_hierarchy_incoming)?
-        .on::<req::CallHierarchyOutgoingCalls>(handlers::handle_call_hierarchy_outgoing)?
-        .on::<req::SemanticTokensRequest>(handlers::handle_semantic_tokens)?
-        .on::<req::SemanticTokensRangeRequest>(handlers::handle_semantic_tokens_range)?
+        .on::<lsp_types::request::CallHierarchyPrepare>(handlers::handle_call_hierarchy_prepare)?
+        .on::<lsp_types::request::CallHierarchyIncomingCalls>(
+            handlers::handle_call_hierarchy_incoming,
+        )?
+        .on::<lsp_types::request::CallHierarchyOutgoingCalls>(
+            handlers::handle_call_hierarchy_outgoing,
+        )?
+        .on::<lsp_types::request::SemanticTokensRequest>(handlers::handle_semantic_tokens)?
+        .on::<lsp_types::request::SemanticTokensRangeRequest>(
+            handlers::handle_semantic_tokens_range,
+        )?
         .on::<req::Ssr>(handlers::handle_ssr)?
         .finish();
     Ok(())
@@ -549,7 +557,7 @@ fn on_notification(
     loop_state: &mut LoopState,
     not: Notification,
 ) -> Result<()> {
-    let not = match notification_cast::<req::Cancel>(not) {
+    let not = match notification_cast::<lsp_types::notification::Cancel>(not) {
         Ok(params) => {
             let id: RequestId = match params.id {
                 NumberOrString::Number(id) => id.into(),
@@ -567,7 +575,7 @@ fn on_notification(
         }
         Err(not) => not,
     };
-    let not = match notification_cast::<req::DidOpenTextDocument>(not) {
+    let not = match notification_cast::<lsp_types::notification::DidOpenTextDocument>(not) {
         Ok(params) => {
             let uri = params.text_document.uri;
             let path = uri.to_file_path().map_err(|()| format!("invalid uri: {}", uri))?;
@@ -580,7 +588,7 @@ fn on_notification(
         }
         Err(not) => not,
     };
-    let not = match notification_cast::<req::DidChangeTextDocument>(not) {
+    let not = match notification_cast::<lsp_types::notification::DidChangeTextDocument>(not) {
         Ok(params) => {
             let DidChangeTextDocumentParams { text_document, content_changes } = params;
             let world = state.snapshot();
@@ -595,7 +603,7 @@ fn on_notification(
         }
         Err(not) => not,
     };
-    let not = match notification_cast::<req::DidSaveTextDocument>(not) {
+    let not = match notification_cast::<lsp_types::notification::DidSaveTextDocument>(not) {
         Ok(_params) => {
             if let Some(flycheck) = &state.flycheck {
                 flycheck.update();
@@ -604,7 +612,7 @@ fn on_notification(
         }
         Err(not) => not,
     };
-    let not = match notification_cast::<req::DidCloseTextDocument>(not) {
+    let not = match notification_cast::<lsp_types::notification::DidCloseTextDocument>(not) {
         Ok(params) => {
             let uri = params.text_document.uri;
             let path = uri.to_file_path().map_err(|()| format!("invalid uri: {}", uri))?;
@@ -612,22 +620,22 @@ fn on_notification(
                 loop_state.subscriptions.remove_sub(FileId(file_id.0));
             }
             let params =
-                req::PublishDiagnosticsParams { uri, diagnostics: Vec::new(), version: None };
-            let not = notification_new::<req::PublishDiagnostics>(params);
+                lsp_types::PublishDiagnosticsParams { uri, diagnostics: Vec::new(), version: None };
+            let not = notification_new::<lsp_types::notification::PublishDiagnostics>(params);
             msg_sender.send(not.into()).unwrap();
             return Ok(());
         }
         Err(not) => not,
     };
-    let not = match notification_cast::<req::DidChangeConfiguration>(not) {
+    let not = match notification_cast::<lsp_types::notification::DidChangeConfiguration>(not) {
         Ok(_) => {
             // As stated in https://github.com/microsoft/language-server-protocol/issues/676,
             // this notification's parameters should be ignored and the actual config queried separately.
             let request_id = loop_state.next_request_id();
-            let request = request_new::<req::WorkspaceConfiguration>(
+            let request = request_new::<lsp_types::request::WorkspaceConfiguration>(
                 request_id.clone(),
-                req::ConfigurationParams {
-                    items: vec![req::ConfigurationItem {
+                lsp_types::ConfigurationParams {
+                    items: vec![lsp_types::ConfigurationItem {
                         scope_uri: None,
                         section: Some("rust-analyzer".to_string()),
                     }],
@@ -640,7 +648,7 @@ fn on_notification(
         }
         Err(not) => not,
     };
-    let not = match notification_cast::<req::DidChangeWatchedFiles>(not) {
+    let not = match notification_cast::<lsp_types::notification::DidChangeWatchedFiles>(not) {
         Ok(params) => {
             let mut vfs = state.vfs.write();
             for change in params.changes {
@@ -742,11 +750,11 @@ fn on_check_task(
         }
 
         CheckTask::Status(progress) => {
-            let params = req::ProgressParams {
-                token: req::ProgressToken::String("rustAnalyzer/cargoWatcher".to_string()),
-                value: req::ProgressParamsValue::WorkDone(progress),
+            let params = lsp_types::ProgressParams {
+                token: lsp_types::ProgressToken::String("rustAnalyzer/cargoWatcher".to_string()),
+                value: lsp_types::ProgressParamsValue::WorkDone(progress),
             };
-            let not = notification_new::<req::Progress>(params);
+            let not = notification_new::<lsp_types::notification::Progress>(params);
             task_sender.send(Task::Notify(not)).unwrap();
         }
     };
@@ -768,8 +776,8 @@ fn on_diagnostic_task(task: DiagnosticTask, msg_sender: &Sender<Message>, state:
         };
 
         let diagnostics = state.diagnostics.diagnostics_for(file_id).cloned().collect();
-        let params = req::PublishDiagnosticsParams { uri, diagnostics, version: None };
-        let not = notification_new::<req::PublishDiagnostics>(params);
+        let params = lsp_types::PublishDiagnosticsParams { uri, diagnostics, version: None };
+        let not = notification_new::<lsp_types::notification::PublishDiagnostics>(params);
         msg_sender.send(not.into()).unwrap();
     }
 }
@@ -782,10 +790,10 @@ fn send_startup_progress(sender: &Sender<Message>, loop_state: &mut LoopState) {
 
     match (prev, loop_state.workspace_loaded) {
         (None, false) => {
-            let work_done_progress_create = request_new::<req::WorkDoneProgressCreate>(
+            let work_done_progress_create = request_new::<lsp_types::request::WorkDoneProgressCreate>(
                 loop_state.next_request_id(),
                 WorkDoneProgressCreateParams {
-                    token: req::ProgressToken::String("rustAnalyzer/startup".into()),
+                    token: lsp_types::ProgressToken::String("rustAnalyzer/startup".into()),
                 },
             );
             sender.send(work_done_progress_create.into()).unwrap();
@@ -817,10 +825,11 @@ fn send_startup_progress(sender: &Sender<Message>, loop_state: &mut LoopState) {
     }
 
     fn send_startup_progress_notif(sender: &Sender<Message>, work_done_progress: WorkDoneProgress) {
-        let notif = notification_new::<req::Progress>(req::ProgressParams {
-            token: req::ProgressToken::String("rustAnalyzer/startup".into()),
-            value: req::ProgressParamsValue::WorkDone(work_done_progress),
-        });
+        let notif =
+            notification_new::<lsp_types::notification::Progress>(lsp_types::ProgressParams {
+                token: lsp_types::ProgressToken::String("rustAnalyzer/startup".into()),
+                value: lsp_types::ProgressParamsValue::WorkDone(work_done_progress),
+            });
         sender.send(notif.into()).unwrap();
     }
 }
@@ -842,7 +851,7 @@ impl<'a> PoolDispatcher<'a> {
         f: fn(&mut WorldState, R::Params) -> Result<R::Result>,
     ) -> Result<&mut Self>
     where
-        R: req::Request + 'static,
+        R: lsp_types::request::Request + 'static,
         R::Params: DeserializeOwned + panic::UnwindSafe + 'static,
         R::Result: Serialize + 'static,
     {
@@ -865,7 +874,7 @@ impl<'a> PoolDispatcher<'a> {
     /// Dispatches the request onto thread pool
     fn on<R>(&mut self, f: fn(WorldSnapshot, R::Params) -> Result<R::Result>) -> Result<&mut Self>
     where
-        R: req::Request + 'static,
+        R: lsp_types::request::Request + 'static,
         R::Params: DeserializeOwned + Send + 'static,
         R::Result: Serialize + 'static,
     {
@@ -891,7 +900,7 @@ impl<'a> PoolDispatcher<'a> {
 
     fn parse<R>(&mut self) -> Option<(RequestId, R::Params)>
     where
-        R: req::Request + 'static,
+        R: lsp_types::request::Request + 'static,
         R::Params: DeserializeOwned + 'static,
     {
         let req = self.req.take()?;
@@ -928,7 +937,7 @@ impl<'a> PoolDispatcher<'a> {
 
 fn result_to_task<R>(id: RequestId, result: Result<R::Result>) -> Task
 where
-    R: req::Request + 'static,
+    R: lsp_types::request::Request + 'static,
     R::Params: DeserializeOwned + 'static,
     R::Result: Serialize + 'static,
 {
@@ -984,10 +993,14 @@ fn update_file_notifications_on_threadpool(
     }
 }
 
-pub fn show_message(typ: req::MessageType, message: impl Into<String>, sender: &Sender<Message>) {
+pub fn show_message(
+    typ: lsp_types::MessageType,
+    message: impl Into<String>,
+    sender: &Sender<Message>,
+) {
     let message = message.into();
-    let params = req::ShowMessageParams { typ, message };
-    let not = notification_new::<req::ShowMessage>(params);
+    let params = lsp_types::ShowMessageParams { typ, message };
+    let not = notification_new::<lsp_types::notification::ShowMessage>(params);
     sender.send(not.into()).unwrap();
 }
 
diff --git a/crates/rust-analyzer/src/main_loop/handlers.rs b/crates/rust-analyzer/src/main_loop/handlers.rs
index 4f619654fc..7aa77d19a4 100644
--- a/crates/rust-analyzer/src/main_loop/handlers.rs
+++ b/crates/rust-analyzer/src/main_loop/handlers.rs
@@ -81,12 +81,12 @@ pub fn handle_expand_macro(
 
 pub fn handle_selection_range(
     world: WorldSnapshot,
-    params: req::SelectionRangeParams,
-) -> Result<Option<Vec<req::SelectionRange>>> {
+    params: lsp_types::SelectionRangeParams,
+) -> Result<Option<Vec<lsp_types::SelectionRange>>> {
     let _p = profile("handle_selection_range");
     let file_id = from_proto::file_id(&world, &params.text_document.uri)?;
     let line_index = world.analysis().file_line_index(file_id)?;
-    let res: Result<Vec<req::SelectionRange>> = params
+    let res: Result<Vec<lsp_types::SelectionRange>> = params
         .positions
         .into_iter()
         .map(|position| {
@@ -105,12 +105,12 @@ pub fn handle_selection_range(
                     }
                 }
             }
-            let mut range = req::SelectionRange {
+            let mut range = lsp_types::SelectionRange {
                 range: to_proto::range(&line_index, *ranges.last().unwrap()),
                 parent: None,
             };
             for &r in ranges.iter().rev().skip(1) {
-                range = req::SelectionRange {
+                range = lsp_types::SelectionRange {
                     range: to_proto::range(&line_index, r),
                     parent: Some(Box::new(range)),
                 }
@@ -156,7 +156,7 @@ pub fn handle_join_lines(
 
 pub fn handle_on_enter(
     world: WorldSnapshot,
-    params: req::TextDocumentPositionParams,
+    params: lsp_types::TextDocumentPositionParams,
 ) -> Result<Option<req::SourceChange>> {
     let _p = profile("handle_on_enter");
     let position = from_proto::file_position(&world, params)?;
@@ -169,7 +169,7 @@ pub fn handle_on_enter(
 // Don't forget to add new trigger characters to `ServerCapabilities` in `caps.rs`.
 pub fn handle_on_type_formatting(
     world: WorldSnapshot,
-    params: req::DocumentOnTypeFormattingParams,
+    params: lsp_types::DocumentOnTypeFormattingParams,
 ) -> Result<Option<Vec<TextEdit>>> {
     let _p = profile("handle_on_type_formatting");
     let mut position = from_proto::file_position(&world, params.text_document_position)?;
@@ -208,8 +208,8 @@ pub fn handle_on_type_formatting(
 
 pub fn handle_document_symbol(
     world: WorldSnapshot,
-    params: req::DocumentSymbolParams,
-) -> Result<Option<req::DocumentSymbolResponse>> {
+    params: lsp_types::DocumentSymbolParams,
+) -> Result<Option<lsp_types::DocumentSymbolResponse>> {
     let _p = profile("handle_document_symbol");
     let file_id = from_proto::file_id(&world, &params.text_document.uri)?;
     let line_index = world.analysis().file_line_index(file_id)?;
@@ -276,7 +276,7 @@ pub fn handle_document_symbol(
 
 pub fn handle_workspace_symbol(
     world: WorldSnapshot,
-    params: req::WorkspaceSymbolParams,
+    params: lsp_types::WorkspaceSymbolParams,
 ) -> Result<Option<Vec<SymbolInformation>>> {
     let _p = profile("handle_workspace_symbol");
     let all_symbols = params.query.contains('#');
@@ -320,8 +320,8 @@ pub fn handle_workspace_symbol(
 
 pub fn handle_goto_definition(
     world: WorldSnapshot,
-    params: req::GotoDefinitionParams,
-) -> Result<Option<req::GotoDefinitionResponse>> {
+    params: lsp_types::GotoDefinitionParams,
+) -> Result<Option<lsp_types::GotoDefinitionResponse>> {
     let _p = profile("handle_goto_definition");
     let position = from_proto::file_position(&world, params.text_document_position_params)?;
     let nav_info = match world.analysis().goto_definition(position)? {
@@ -338,8 +338,8 @@ pub fn handle_goto_definition(
 
 pub fn handle_goto_implementation(
     world: WorldSnapshot,
-    params: req::GotoImplementationParams,
-) -> Result<Option<req::GotoImplementationResponse>> {
+    params: lsp_types::request::GotoImplementationParams,
+) -> Result<Option<lsp_types::request::GotoImplementationResponse>> {
     let _p = profile("handle_goto_implementation");
     let position = from_proto::file_position(&world, params.text_document_position_params)?;
     let nav_info = match world.analysis().goto_implementation(position)? {
@@ -356,8 +356,8 @@ pub fn handle_goto_implementation(
 
 pub fn handle_goto_type_definition(
     world: WorldSnapshot,
-    params: req::GotoTypeDefinitionParams,
-) -> Result<Option<req::GotoTypeDefinitionResponse>> {
+    params: lsp_types::request::GotoTypeDefinitionParams,
+) -> Result<Option<lsp_types::request::GotoTypeDefinitionResponse>> {
     let _p = profile("handle_goto_type_definition");
     let position = from_proto::file_position(&world, params.text_document_position_params)?;
     let nav_info = match world.analysis().goto_type_definition(position)? {
@@ -374,7 +374,7 @@ pub fn handle_goto_type_definition(
 
 pub fn handle_parent_module(
     world: WorldSnapshot,
-    params: req::TextDocumentPositionParams,
+    params: lsp_types::TextDocumentPositionParams,
 ) -> Result<Vec<Location>> {
     let _p = profile("handle_parent_module");
     let position = from_proto::file_position(&world, params)?;
@@ -447,8 +447,8 @@ pub fn handle_runnables(
 
 pub fn handle_completion(
     world: WorldSnapshot,
-    params: req::CompletionParams,
-) -> Result<Option<req::CompletionResponse>> {
+    params: lsp_types::CompletionParams,
+) -> Result<Option<lsp_types::CompletionResponse>> {
     let _p = profile("handle_completion");
     let position = from_proto::file_position(&world, params.text_document_position)?;
     let completion_triggered_after_single_colon = {
@@ -506,8 +506,8 @@ pub fn handle_folding_range(
 
 pub fn handle_signature_help(
     world: WorldSnapshot,
-    params: req::SignatureHelpParams,
-) -> Result<Option<req::SignatureHelp>> {
+    params: lsp_types::SignatureHelpParams,
+) -> Result<Option<lsp_types::SignatureHelp>> {
     let _p = profile("handle_signature_help");
     let position = from_proto::file_position(&world, params.text_document_position_params)?;
     let call_info = match world.analysis().call_info(position)? {
@@ -521,14 +521,14 @@ pub fn handle_signature_help(
     }
     let sig_info = to_proto::signature_information(call_info.signature, concise);
 
-    Ok(Some(req::SignatureHelp {
+    Ok(Some(lsp_types::SignatureHelp {
         signatures: vec![sig_info],
         active_signature: Some(0),
         active_parameter,
     }))
 }
 
-pub fn handle_hover(world: WorldSnapshot, params: req::HoverParams) -> Result<Option<Hover>> {
+pub fn handle_hover(world: WorldSnapshot, params: lsp_types::HoverParams) -> Result<Option<Hover>> {
     let _p = profile("handle_hover");
     let position = from_proto::file_position(&world, params.text_document_position_params)?;
     let info = match world.analysis().hover(position)? {
@@ -549,7 +549,7 @@ pub fn handle_hover(world: WorldSnapshot, params: req::HoverParams) -> Result<Op
 
 pub fn handle_prepare_rename(
     world: WorldSnapshot,
-    params: req::TextDocumentPositionParams,
+    params: lsp_types::TextDocumentPositionParams,
 ) -> Result<Option<PrepareRenameResponse>> {
     let _p = profile("handle_prepare_rename");
     let position = from_proto::file_position(&world, params)?;
@@ -589,7 +589,7 @@ pub fn handle_rename(world: WorldSnapshot, params: RenameParams) -> Result<Optio
 
 pub fn handle_references(
     world: WorldSnapshot,
-    params: req::ReferenceParams,
+    params: lsp_types::ReferenceParams,
 ) -> Result<Option<Vec<Location>>> {
     let _p = profile("handle_references");
     let position = from_proto::file_position(&world, params.text_document_position)?;
@@ -692,7 +692,7 @@ pub fn handle_formatting(
 
 pub fn handle_code_action(
     world: WorldSnapshot,
-    params: req::CodeActionParams,
+    params: lsp_types::CodeActionParams,
 ) -> Result<Option<CodeActionResponse>> {
     let _p = profile("handle_code_action");
     let file_id = from_proto::file_id(&world, &params.text_document.uri)?;
@@ -806,7 +806,7 @@ pub fn handle_code_action(
 
 pub fn handle_code_lens(
     world: WorldSnapshot,
-    params: req::CodeLensParams,
+    params: lsp_types::CodeLensParams,
 ) -> Result<Option<Vec<CodeLens>>> {
     let _p = profile("handle_code_lens");
     let file_id = from_proto::file_id(&world, &params.text_document.uri)?;
@@ -875,8 +875,8 @@ pub fn handle_code_lens(
             .map(|it| {
                 let range = to_proto::range(&line_index, it.node_range);
                 let pos = range.start;
-                let lens_params = req::GotoImplementationParams {
-                    text_document_position_params: req::TextDocumentPositionParams::new(
+                let lens_params = lsp_types::request::GotoImplementationParams {
+                    text_document_position_params: lsp_types::TextDocumentPositionParams::new(
                         params.text_document.clone(),
                         pos,
                     ),
@@ -897,7 +897,7 @@ pub fn handle_code_lens(
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 enum CodeLensResolveData {
-    Impls(req::GotoImplementationParams),
+    Impls(lsp_types::request::GotoImplementationParams),
 }
 
 pub fn handle_code_lens_resolve(world: WorldSnapshot, code_lens: CodeLens) -> Result<CodeLens> {
@@ -908,9 +908,9 @@ pub fn handle_code_lens_resolve(world: WorldSnapshot, code_lens: CodeLens) -> Re
         Some(CodeLensResolveData::Impls(lens_params)) => {
             let locations: Vec<Location> =
                 match handle_goto_implementation(world, lens_params.clone())? {
-                    Some(req::GotoDefinitionResponse::Scalar(loc)) => vec![loc],
-                    Some(req::GotoDefinitionResponse::Array(locs)) => locs,
-                    Some(req::GotoDefinitionResponse::Link(links)) => links
+                    Some(lsp_types::GotoDefinitionResponse::Scalar(loc)) => vec![loc],
+                    Some(lsp_types::GotoDefinitionResponse::Array(locs)) => locs,
+                    Some(lsp_types::GotoDefinitionResponse::Link(links)) => links
                         .into_iter()
                         .map(|link| Location::new(link.target_uri, link.target_selection_range))
                         .collect(),
@@ -947,7 +947,7 @@ pub fn handle_code_lens_resolve(world: WorldSnapshot, code_lens: CodeLens) -> Re
 
 pub fn handle_document_highlight(
     world: WorldSnapshot,
-    params: req::DocumentHighlightParams,
+    params: lsp_types::DocumentHighlightParams,
 ) -> Result<Option<Vec<DocumentHighlight>>> {
     let _p = profile("handle_document_highlight");
     let position = from_proto::file_position(&world, params.text_document_position_params)?;
diff --git a/crates/rust-analyzer/src/req.rs b/crates/rust-analyzer/src/req.rs
index 0dae6bad4f..aeb29370c0 100644
--- a/crates/rust-analyzer/src/req.rs
+++ b/crates/rust-analyzer/src/req.rs
@@ -1,23 +1,10 @@
 //! Defines `rust-analyzer` specific custom messages.
 
+use lsp_types::request::Request;
 use lsp_types::{Location, Position, Range, TextDocumentIdentifier};
 use rustc_hash::FxHashMap;
 use serde::{Deserialize, Serialize};
 
-pub use lsp_types::{
-    notification::*, request::*, ApplyWorkspaceEditParams, CodeActionParams, CodeLens,
-    CodeLensParams, CompletionParams, CompletionResponse, ConfigurationItem, ConfigurationParams,
-    DiagnosticTag, DidChangeConfigurationParams, DidChangeWatchedFilesParams,
-    DidChangeWatchedFilesRegistrationOptions, DocumentHighlightParams,
-    DocumentOnTypeFormattingParams, DocumentSymbolParams, DocumentSymbolResponse,
-    FileSystemWatcher, GotoDefinitionParams, GotoDefinitionResponse, Hover, HoverParams,
-    InitializeResult, MessageType, PartialResultParams, ProgressParams, ProgressParamsValue,
-    ProgressToken, PublishDiagnosticsParams, ReferenceParams, Registration, RegistrationParams,
-    SelectionRange, SelectionRangeParams, SemanticTokensParams, SemanticTokensRangeParams,
-    SemanticTokensRangeResult, SemanticTokensResult, ServerCapabilities, ShowMessageParams,
-    SignatureHelp, SignatureHelpParams, SymbolKind, TextDocumentEdit, TextDocumentPositionParams,
-    TextEdit, WorkDoneProgressParams, WorkspaceEdit, WorkspaceSymbolParams,
-};
 use std::path::PathBuf;
 
 pub enum AnalyzerStatus {}
@@ -91,7 +78,7 @@ pub struct FindMatchingBraceParams {
 pub enum ParentModule {}
 
 impl Request for ParentModule {
-    type Params = TextDocumentPositionParams;
+    type Params = lsp_types::TextDocumentPositionParams;
     type Result = Vec<Location>;
     const METHOD: &'static str = "rust-analyzer/parentModule";
 }
@@ -114,7 +101,7 @@ pub struct JoinLinesParams {
 pub enum OnEnter {}
 
 impl Request for OnEnter {
-    type Params = TextDocumentPositionParams;
+    type Params = lsp_types::TextDocumentPositionParams;
     type Result = Option<SourceChange>;
     const METHOD: &'static str = "rust-analyzer/onEnter";
 }
@@ -150,8 +137,8 @@ pub struct Runnable {
 #[serde(rename_all = "camelCase")]
 pub struct SourceChange {
     pub label: String,
-    pub workspace_edit: WorkspaceEdit,
-    pub cursor_position: Option<TextDocumentPositionParams>,
+    pub workspace_edit: lsp_types::WorkspaceEdit,
+    pub cursor_position: Option<lsp_types::TextDocumentPositionParams>,
 }
 
 pub enum InlayHints {}