diff --git a/layout/base/RestyleManager.cpp b/layout/base/RestyleManager.cpp
index db6cd8a16756..0d7810ca9b62 100644
--- a/layout/base/RestyleManager.cpp
+++ b/layout/base/RestyleManager.cpp
@@ -479,13 +479,13 @@ RestyleManager::RecomputePosition(nsIFrame* aFrame)
   return false;
 }
 
-nsresult
+void
 RestyleManager::StyleChangeReflow(nsIFrame* aFrame, nsChangeHint aHint)
 {
   // If the frame hasn't even received an initial reflow, then don't
   // send it a style-change reflow!
   if (aFrame->GetStateBits() & NS_FRAME_FIRST_REFLOW)
-    return NS_OK;
+    return;
 
   nsIPresShell::IntrinsicDirty dirtyType;
   if (aHint & nsChangeHint_ClearDescendantIntrinsics) {
@@ -510,7 +510,7 @@ RestyleManager::StyleChangeReflow(nsIFrame* aFrame, nsChangeHint aHint)
     aFrame = nsLayoutUtils::GetNextContinuationOrIBSplitSibling(aFrame);
   } while (aFrame);
 
-  return NS_OK;
+  return;
 }
 
 NS_DECLARE_FRAME_PROPERTY(ChangeListProperty, nullptr)
diff --git a/layout/base/RestyleManager.h b/layout/base/RestyleManager.h
index 0809d4825efb..c2f20eff8410 100644
--- a/layout/base/RestyleManager.h
+++ b/layout/base/RestyleManager.h
@@ -242,7 +242,7 @@ private:
                       RestyleTracker& aRestyleTracker,
                       bool            aRestyleDescendants);
 
-  nsresult StyleChangeReflow(nsIFrame* aFrame, nsChangeHint aHint);
+  void StyleChangeReflow(nsIFrame* aFrame, nsChangeHint aHint);
 
   // Returns true if this function managed to successfully move a frame, and
   // false if it could not process the position change, and a reflow should