diff --git a/Sources/SwiftRefactor/CallToTrailingClosures.swift b/Sources/SwiftRefactor/CallToTrailingClosures.swift
index 2d5cf49b51d..9729573a465 100644
--- a/Sources/SwiftRefactor/CallToTrailingClosures.swift
+++ b/Sources/SwiftRefactor/CallToTrailingClosures.swift
@@ -95,7 +95,7 @@ extension FunctionCallExprSyntax {
       )
     }
 
-    var converted = self.detach()
+    var converted = self.detached
 
     // Remove parens if there's no non-closure arguments left and remove the
     // last comma otherwise. Makes sure to keep the trivia of any removed node.
diff --git a/Sources/SwiftRefactor/ExpandEditorPlaceholder.swift b/Sources/SwiftRefactor/ExpandEditorPlaceholder.swift
index 372e8edf30c..4382c68247e 100644
--- a/Sources/SwiftRefactor/ExpandEditorPlaceholder.swift
+++ b/Sources/SwiftRefactor/ExpandEditorPlaceholder.swift
@@ -169,9 +169,9 @@ extension FunctionTypeSyntax {
   /// ```
   fileprivate var closureExpansion: ClosureExprSyntax {
     let closureSignature: ClosureSignatureSyntax?
-    if !arguments.isEmpty {
+    if !parameters.isEmpty {
       let args = ClosureParamListSyntax {
-        for arg in arguments {
+        for arg in parameters {
           ClosureParamSyntax(name: arg.expansionNameToken())
         }
       }
@@ -261,13 +261,13 @@ extension FunctionCallExprSyntax {
       var parser = Parser(edit.replacement)
       let expr = ExprSyntax.parse(from: &parser)
       expandedArgs.append(
-        arg.detach().with(\.expression, expr)
+        arg.detached.with(\.expression, expr)
       )
     }
 
     let originalArgs = argumentList.dropLast(argsToExpand)
     return (
-      detach().with(\.argumentList, TupleExprElementListSyntax(originalArgs + expandedArgs)),
+      detached.with(\.argumentList, TupleExprElementListSyntax(originalArgs + expandedArgs)),
       expandedArgs.count
     )
   }