diff --git a/src/input.h b/src/input.h
index 0bb328d92..e6232fbb7 100644
--- a/src/input.h
+++ b/src/input.h
@@ -23,21 +23,6 @@ void init_input();
 
 struct input_mapping_t;
 class inputter_t {
-    input_event_queue_t event_queue_;
-    std::vector<wchar_t> input_function_args_{};
-    bool function_status_{false};
-
-    // We need a parser to evaluate bindings.
-    const std::shared_ptr<parser_t> parser_;
-
-    void function_push_arg(wchar_t arg);
-    void function_push_args(readline_cmd_t code);
-    void mapping_execute(const input_mapping_t &m, bool allow_commands);
-    void mapping_execute_matching_or_generic(bool allow_commands);
-    bool mapping_is_match(const input_mapping_t &m);
-    maybe_t<input_mapping_t> find_mapping();
-    char_event_t read_characters_no_readline();
-
    public:
     /// Construct from a parser, and the fd from which to read.
     explicit inputter_t(parser_t &parser, int in = STDIN_FILENO);
@@ -68,6 +53,22 @@ class inputter_t {
 
     /// Pop an argument from the function argument stack.
     wchar_t function_pop_arg();
+
+   private:
+    input_event_queue_t event_queue_;
+    std::vector<wchar_t> input_function_args_{};
+    bool function_status_{false};
+
+    // We need a parser to evaluate bindings.
+    const std::shared_ptr<parser_t> parser_;
+
+    void function_push_arg(wchar_t arg);
+    void function_push_args(readline_cmd_t code);
+    void mapping_execute(const input_mapping_t &m, bool allow_commands);
+    void mapping_execute_matching_or_generic(bool allow_commands);
+    bool mapping_is_match(const input_mapping_t &m);
+    maybe_t<input_mapping_t> find_mapping();
+    char_event_t read_characters_no_readline();
 };
 
 struct input_mapping_name_t {