diff --git a/layout/base/nsPresShell.cpp b/layout/base/nsPresShell.cpp
index 2c26db92a58c..15a3192d61d9 100644
--- a/layout/base/nsPresShell.cpp
+++ b/layout/base/nsPresShell.cpp
@@ -1507,7 +1507,6 @@ PresShell::AppendReflowCommand(nsIReflowCommand* aReflowCommand)
     }
   }
 #endif
-  PRInt32 index = nsnull;
   nsresult rv = NS_OK;
   if (!AlreadyInQueue(aReflowCommand)) {
     NS_ADDREF(aReflowCommand);
diff --git a/layout/html/base/src/nsPresShell.cpp b/layout/html/base/src/nsPresShell.cpp
index 2c26db92a58c..15a3192d61d9 100644
--- a/layout/html/base/src/nsPresShell.cpp
+++ b/layout/html/base/src/nsPresShell.cpp
@@ -1507,7 +1507,6 @@ PresShell::AppendReflowCommand(nsIReflowCommand* aReflowCommand)
     }
   }
 #endif
-  PRInt32 index = nsnull;
   nsresult rv = NS_OK;
   if (!AlreadyInQueue(aReflowCommand)) {
     NS_ADDREF(aReflowCommand);