diff --git a/compiler/src/dotty/tools/dotc/ast/Desugar.scala b/compiler/src/dotty/tools/dotc/ast/Desugar.scala
index 80fab2246726..abc41623e6ac 100644
--- a/compiler/src/dotty/tools/dotc/ast/Desugar.scala
+++ b/compiler/src/dotty/tools/dotc/ast/Desugar.scala
@@ -875,7 +875,7 @@ object desugar {
       val modul = ValDef(moduleName, clsRef, New(clsRef, Nil))
         .withMods(mods.toTermFlags & RetainedModuleValFlags | ModuleValCreationFlags)
         .withSpan(mdef.span.startPos)
-        .withEndIndex(copyFrom=mdef)
+        .withEndIndex(copyFrom = mdef)
       val ValDef(selfName, selfTpt, _) = impl.self
       val selfMods = impl.self.mods
       if (!selfTpt.isEmpty) report.error(ObjectMayNotHaveSelfType(mdef), impl.self.srcPos)
diff --git a/compiler/src/dotty/tools/dotc/ast/Trees.scala b/compiler/src/dotty/tools/dotc/ast/Trees.scala
index ec669ada5f71..f44c823efb8d 100644
--- a/compiler/src/dotty/tools/dotc/ast/Trees.scala
+++ b/compiler/src/dotty/tools/dotc/ast/Trees.scala
@@ -346,7 +346,7 @@ object Trees {
       self.withAttachment(EndIndex, index)
 
     final def withEndIndex(copyFrom: WithEndMarker): self.type =
-      copyFrom.endIndex.foreach(index => withEndIndex(index))
+      copyFrom.endIndex.foreach(withEndIndex)
       this
 
     final def dropEndIndex: self.type =
diff --git a/compiler/src/dotty/tools/dotc/parsing/Parsers.scala b/compiler/src/dotty/tools/dotc/parsing/Parsers.scala
index 441ef71f22d0..887621468ab7 100644
--- a/compiler/src/dotty/tools/dotc/parsing/Parsers.scala
+++ b/compiler/src/dotty/tools/dotc/parsing/Parsers.scala
@@ -1293,12 +1293,12 @@ object Parsers {
         case _: (ForYield | ForDo) => in.token == FOR
         case _ => false
 
-      def matchesWithUpdated(stat: Tree): Boolean = {
+      def matchesAndSetEnd(stat: Tree): Boolean = {
         val didMatch = matches(stat)
         if didMatch then
           stat match
             case stat: WithEndMarker =>
-              stat.withEndIndex(index=in.lastCharOffset)
+              stat.withEndIndex(index = in.lastCharOffset)
             case _ =>
               ()
         didMatch
@@ -1306,7 +1306,7 @@ object Parsers {
 
       if in.token == END then
         val start = in.skipToken()
-        if stats.isEmpty || !matchesWithUpdated(stats.last) then
+        if stats.isEmpty || !matchesAndSetEnd(stats.last) then
           syntaxError("misaligned end marker", Span(start, in.lastCharOffset))
         in.token = IDENTIFIER // Leaving it as the original token can confuse newline insertion
         in.nextToken()