diff --git a/crates/nu-command/src/filesystem/cp.rs b/crates/nu-command/src/filesystem/cp.rs
index 4c44b26a60..8c6ea0655a 100644
--- a/crates/nu-command/src/filesystem/cp.rs
+++ b/crates/nu-command/src/filesystem/cp.rs
@@ -101,7 +101,7 @@ impl Command for Cp {
                 sources.remove(index);
             }
 
-            if sources.len() == 0 {
+            if sources.is_empty() {
                 return Err(ShellError::NoFileToBeCopied());
             }
         }
diff --git a/crates/nu-command/src/filesystem/mv.rs b/crates/nu-command/src/filesystem/mv.rs
index 37aa625b8b..fe9b919432 100644
--- a/crates/nu-command/src/filesystem/mv.rs
+++ b/crates/nu-command/src/filesystem/mv.rs
@@ -87,7 +87,7 @@ impl Command for Mv {
                 sources.remove(index);
             }
 
-            if sources.len() == 0 {
+            if sources.is_empty() {
                 return Err(ShellError::NoFileToBeMoved());
             }
         }
diff --git a/crates/nu-command/src/filesystem/rm.rs b/crates/nu-command/src/filesystem/rm.rs
index 0aca771474..48d9126700 100644
--- a/crates/nu-command/src/filesystem/rm.rs
+++ b/crates/nu-command/src/filesystem/rm.rs
@@ -147,7 +147,7 @@ fn rm(context: &EvaluationContext, call: &Call) -> Result<Value, ShellError> {
             targets.remove(index);
         }
 
-        if targets.len() == 0 {
+        if targets.is_empty() {
             return Err(ShellError::NoFileToBeRemoved());
         }
     }