diff --git a/layout/base/nsCaret.cpp b/layout/base/nsCaret.cpp
index 61bab9e8ccbe..abb433c9b7d0 100644
--- a/layout/base/nsCaret.cpp
+++ b/layout/base/nsCaret.cpp
@@ -339,8 +339,7 @@ nsCaret::GetGeometryForFrame(nsIFrame* aFrame,
   return NS_OK;
 }
 
-nsIFrame* nsCaret::GetGeometry(nsISelection* aSelection, nsRect* aRect,
-                               nscoord* aBidiIndicatorSize)
+nsIFrame* nsCaret::GetGeometry(nsISelection* aSelection, nsRect* aRect)
 {
   nsCOMPtr<nsIDOMNode> focusNode;
   nsresult rv = aSelection->GetFocusNode(getter_AddRefs(focusNode));
@@ -368,7 +367,7 @@ nsIFrame* nsCaret::GetGeometry(nsISelection* aSelection, nsRect* aRect,
   if (NS_FAILED(rv) || !frame)
     return nullptr;
 
-  GetGeometryForFrame(frame, frameOffset, aRect, aBidiIndicatorSize);
+  GetGeometryForFrame(frame, frameOffset, aRect, nullptr);
   return frame;
 }
 
diff --git a/layout/base/nsCaret.h b/layout/base/nsCaret.h
index 0ec5e7eb893d..9a7e6b0599dc 100644
--- a/layout/base/nsCaret.h
+++ b/layout/base/nsCaret.h
@@ -94,11 +94,9 @@ class nsCaret : public nsISelectionListener
      * i.e., disregarding blink status). The geometry is stored in aRect,
      * and we return the frame aRect is relative to.
      * @param aRect must be non-null
-     * @param aBidiIndicatorSize if non-null, set to the bidi indicator size.
      */
     nsIFrame* GetGeometry(nsISelection* aSelection,
-                          nsRect* aRect,
-                          nscoord* aBidiIndicatorSize = nullptr);
+                          nsRect* aRect);
     /** GetCaretFrame
      *  Get the current frame that the caret should be drawn in. If the caret is
      *  not currently visible (i.e., it is between blinks), then this will