diff --git a/mozilla/layout/base/nsPresShell.cpp b/mozilla/layout/base/nsPresShell.cpp
index cd3940c70cd..9c2b069b8ea 100644
--- a/mozilla/layout/base/nsPresShell.cpp
+++ b/mozilla/layout/base/nsPresShell.cpp
@@ -4842,7 +4842,6 @@ PresShell::ClipListToRange(nsDisplayListBuilder *aBuilder,
           if (hilightStart < hilightEnd) {
             // determine the location of the start and end edges of the range.
             nsPoint startPoint, endPoint;
-            nsPresContext* presContext = GetPresContext();
             frame->GetPointFromOffset(hilightStart, &startPoint);
             frame->GetPointFromOffset(hilightEnd, &endPoint);