1 files changed, 1 insertions, 18 deletions
diff --git a/layout/painting/RetainedDisplayListBuilder.cpp b/layout/painting/RetainedDisplayListBuilder.cpp
index ca8f37a252..18e9612ff2 100644
--- a/layout/painting/RetainedDisplayListBuilder.cpp
+++ b/layout/painting/RetainedDisplayListBuilder.cpp
@@ -1313,23 +1313,6 @@ bool RetainedDisplayListBuilder::ShouldBuildPartial(
   return true;
 }
 
-void RetainedDisplayListBuilder::InvalidateCaretFramesIfNeeded() {
-  if (mPreviousCaret == mBuilder.GetCaretFrame()) {
-    // The current caret frame is the same as the previous one.
-    return;
-  }
-
-  if (mPreviousCaret) {
-    mPreviousCaret->MarkNeedsDisplayItemRebuild();
-  }
-
-  if (mBuilder.GetCaretFrame()) {
-    mBuilder.GetCaretFrame()->MarkNeedsDisplayItemRebuild();
-  }
-
-  mPreviousCaret = mBuilder.GetCaretFrame();
-}
-
 class AutoClearFramePropsArray {
  public:
   explicit AutoClearFramePropsArray(size_t aCapacity) : mFrames(aCapacity) {}
@@ -1585,7 +1568,7 @@ PartialUpdateResult RetainedDisplayListBuilder::AttemptPartialUpdate(
     MarkFramesWithItemsAndImagesModified(&mList);
   }
 
-  InvalidateCaretFramesIfNeeded();
+  mBuilder.InvalidateCaretFramesIfNeeded();
 
   // We set the override dirty regions during ComputeRebuildRegion or in
   // DisplayPortUtils::InvalidateForDisplayPortChange. The display port change