diff --git a/layout/mathml/content/src/nsMathMLOperators.cpp b/layout/mathml/content/src/nsMathMLOperators.cpp
index bc4802d4f64..450ea897095 100644
--- a/layout/mathml/content/src/nsMathMLOperators.cpp
+++ b/layout/mathml/content/src/nsMathMLOperators.cpp
@@ -382,27 +382,32 @@ InitGlobals()
       rv = InitOperators();
     }
   }
-  if (NS_FAILED(rv)) {
-    if (gInvariantCharArray) {
-      delete gInvariantCharArray;
-      gInvariantCharArray = nsnull;
-    }
-    if (gOperatorArray) {
-      delete[] gOperatorArray;
-      gOperatorArray = nsnull;
-    }
-    if (gStretchyOperatorArray) {
-      delete gStretchyOperatorArray;
-      gStretchyOperatorArray = nsnull;
-    }
-    if (gOperatorTable) {
-      delete gOperatorTable;
-      gOperatorTable = nsnull;
-    }
-  }
+  if (NS_FAILED(rv))
+    nsMathMLOperators::CleanUp();
   return rv;
 }
 
+void
+nsMathMLOperators::CleanUp()
+{
+  if (gInvariantCharArray) {
+    delete gInvariantCharArray;
+    gInvariantCharArray = nsnull;
+  }
+  if (gOperatorArray) {
+    delete[] gOperatorArray;
+    gOperatorArray = nsnull;
+  }
+  if (gStretchyOperatorArray) {
+    delete gStretchyOperatorArray;
+    gStretchyOperatorArray = nsnull;
+  }
+  if (gOperatorTable) {
+    delete gOperatorTable;
+    gOperatorTable = nsnull;
+  }
+}
+
 void
 nsMathMLOperators::AddRefTable(void)
 {
@@ -413,18 +418,7 @@ void
 nsMathMLOperators::ReleaseTable(void)
 {
   if (0 == --gTableRefCount) {
-    if (gOperatorArray) {
-      delete[] gOperatorArray;
-      gOperatorArray = nsnull;
-    }
-    if (gStretchyOperatorArray) {
-      delete gStretchyOperatorArray;
-      gStretchyOperatorArray = nsnull;
-    }
-    if (gOperatorTable) {
-      delete gOperatorTable;
-      gOperatorTable = nsnull;
-    }
+    CleanUp();
   }
 }
 
diff --git a/layout/mathml/content/src/nsMathMLOperators.h b/layout/mathml/content/src/nsMathMLOperators.h
index 1e33e9938b7..1f1889b2719 100644
--- a/layout/mathml/content/src/nsMathMLOperators.h
+++ b/layout/mathml/content/src/nsMathMLOperators.h
@@ -84,6 +84,7 @@ class nsMathMLOperators {
 public:
   static void AddRefTable(void);
   static void ReleaseTable(void);
+  static void CleanUp();
 
   // LookupOperator:
   // Given the string value of an operator and its form (last two bits of flags),