diff --git a/layout/build/nsLayoutStatics.cpp b/layout/build/nsLayoutStatics.cpp
index 0c13c515d3e7..eb3946144159 100644
--- a/layout/build/nsLayoutStatics.cpp
+++ b/layout/build/nsLayoutStatics.cpp
@@ -242,11 +242,7 @@ nsLayoutStatics::Initialize()
     return rv;
   }
 
-  rv = nsCSSRuleProcessor::Startup();
-  if (NS_FAILED(rv)) {
-    NS_ERROR("Could not initialize nsCSSRuleProcessor");
-    return rv;
-  }
+  nsCSSRuleProcessor::Startup();
 
 #ifdef MOZ_XUL
   rv = nsXULPopupManager::Init();
diff --git a/layout/style/nsCSSRuleProcessor.cpp b/layout/style/nsCSSRuleProcessor.cpp
index cda146e122e0..66ebbd0e31b0 100644
--- a/layout/style/nsCSSRuleProcessor.cpp
+++ b/layout/style/nsCSSRuleProcessor.cpp
@@ -1101,13 +1101,11 @@ nsCSSRuleProcessor::ClearSheets()
   mSheets.Clear();
 }
 
-/* static */ nsresult
+/* static */ void
 nsCSSRuleProcessor::Startup()
 {
   Preferences::AddBoolVarCache(&gSupportVisitedPseudo, VISITED_PSEUDO_PREF,
                                true);
-
-  return NS_OK;
 }
 
 static bool
diff --git a/layout/style/nsCSSRuleProcessor.h b/layout/style/nsCSSRuleProcessor.h
index b683e392bbe1..c5bcca29d4e0 100644
--- a/layout/style/nsCSSRuleProcessor.h
+++ b/layout/style/nsCSSRuleProcessor.h
@@ -65,7 +65,7 @@ public:
 public:
   nsresult ClearRuleCascades();
 
-  static nsresult Startup();
+  static void Startup();
   static void Shutdown();
   static void FreeSystemMetrics();
   static bool HasSystemMetric(nsIAtom* aMetric);