diff --git a/content/shared/public/nsStyleContext.h b/content/shared/public/nsStyleContext.h
index baaddfe6bb9..061237bacb9 100644
--- a/content/shared/public/nsStyleContext.h
+++ b/content/shared/public/nsStyleContext.h
@@ -66,7 +66,6 @@ public:
     --mRefCnt;
     NS_LOG_RELEASE(this, mRefCnt, "nsStyleContext");
     if (mRefCnt == 0) {
-      mRefCnt = 1;
       Destroy();
       return 0;
     }
diff --git a/layout/style/nsStyleContext.h b/layout/style/nsStyleContext.h
index baaddfe6bb9..061237bacb9 100644
--- a/layout/style/nsStyleContext.h
+++ b/layout/style/nsStyleContext.h
@@ -66,7 +66,6 @@ public:
     --mRefCnt;
     NS_LOG_RELEASE(this, mRefCnt, "nsStyleContext");
     if (mRefCnt == 0) {
-      mRefCnt = 1;
       Destroy();
       return 0;
     }