diff --git a/fish-rust/src/function.rs b/fish-rust/src/function.rs
index fa37baf27..a265ae19f 100644
--- a/fish-rust/src/function.rs
+++ b/fish-rust/src/function.rs
@@ -311,7 +311,7 @@ pub fn copy(name: &wstr, new_name: WString, parser: &Parser) -> bool {
     let mut new_props = props.as_ref().clone();
     new_props.is_autoload.store(false);
     new_props.is_copy = true;
-    new_props.copy_definition_file = filename.clone();
+    new_props.copy_definition_file = filename;
     new_props.copy_definition_lineno = lineno.unwrap_or(0) as i32;
 
     // Note this will NOT overwrite an existing function with the new name.
diff --git a/fish-rust/src/parse_execution.rs b/fish-rust/src/parse_execution.rs
index df94d43cf..c2a5372a8 100644
--- a/fish-rust/src/parse_execution.rs
+++ b/fish-rust/src/parse_execution.rs
@@ -878,7 +878,7 @@ impl<'a> ParseExecutionContext {
         let reason = self.determine_redirections(ctx, args_or_redirs, &mut redirections);
         if reason == EndExecutionReason::ok {
             proc.typ = ProcessType::block_node;
-            proc.block_node_source = Some(self.pstree().clone());
+            proc.block_node_source = Some(self.pstree());
             proc.internal_block_node = Some(statement.into());
             proc.set_redirection_specs(redirections);
         }
@@ -1633,7 +1633,7 @@ impl<'a> ParseExecutionContext {
             if props.wants_timing && props.initial_background {
                 return report_error!(
                     self,
-                    &ctx,
+                    ctx,
                     STATUS_INVALID_ARGS.unwrap(),
                     job_node,
                     ERROR_TIME_BACKGROUND
diff --git a/fish-rust/src/wildcard.rs b/fish-rust/src/wildcard.rs
index 12a01746e..4c42f5b5b 100644
--- a/fish-rust/src/wildcard.rs
+++ b/fish-rust/src/wildcard.rs
@@ -60,11 +60,11 @@ pub enum WildcardResult {
 }
 
 // This does something horrible refactored from an even more horrible function.
-fn resolve_description<'f>(
+fn resolve_description(
     full_completion: &wstr,
     completion: &mut &wstr,
     expand_flags: ExpandFlags,
-    description_func: Option<&'f dyn Fn(&wstr) -> WString>,
+    description_func: Option<&dyn Fn(&wstr) -> WString>,
 ) -> WString {
     if let Some(complete_sep_loc) = completion.find_char(PROG_COMPLETE_SEP) {
         // This completion has an embedded description, do not use the generic description.
@@ -283,10 +283,10 @@ fn wildcard_complete_internal(
     }
 }
 
-pub fn wildcard_complete<'f>(
+pub fn wildcard_complete(
     s: &wstr,
     wc: &wstr,
-    desc_func: Option<&'f dyn Fn(&wstr) -> WString>,
+    desc_func: Option<&dyn Fn(&wstr) -> WString>,
     out: Option<&mut CompletionReceiver>,
     expand_flags: ExpandFlags,
     flags: CompleteFlags,