diff --git a/intl/uconv/ucvcn/nsUCvCnModule.cpp b/intl/uconv/ucvcn/nsUCvCnModule.cpp
index aaf859f16c9..cf648a625dc 100644
--- a/intl/uconv/ucvcn/nsUCvCnModule.cpp
+++ b/intl/uconv/ucvcn/nsUCvCnModule.cpp
@@ -349,7 +349,6 @@ NS_IMETHODIMP nsConverterModule::RegisterSelf(nsIComponentManager *aCompMgr,
 {
   nsresult res;
   PRUint32 i;
-  nsIComponentManager * compMgr = NULL;
   nsIRegistry * registry = NULL;
   nsRegistryKey key;
   char buff[1024];
diff --git a/intl/uconv/ucvja/nsUCvJaModule.cpp b/intl/uconv/ucvja/nsUCvJaModule.cpp
index 676d905c90b..9cbed179fc9 100644
--- a/intl/uconv/ucvja/nsUCvJaModule.cpp
+++ b/intl/uconv/ucvja/nsUCvJaModule.cpp
@@ -383,7 +383,6 @@ NS_IMETHODIMP nsConverterModule::RegisterSelf(nsIComponentManager *aCompMgr,
 {
   nsresult res;
   PRUint32 i;
-  nsIComponentManager * compMgr = NULL;
   nsIRegistry * registry = NULL;
   nsRegistryKey key;
   char buff[1024];
diff --git a/intl/uconv/ucvko/nsUCvKoModule.cpp b/intl/uconv/ucvko/nsUCvKoModule.cpp
index bbc7a26b1f6..d1993b10848 100644
--- a/intl/uconv/ucvko/nsUCvKoModule.cpp
+++ b/intl/uconv/ucvko/nsUCvKoModule.cpp
@@ -317,7 +317,6 @@ NS_IMETHODIMP nsConverterModule::RegisterSelf(nsIComponentManager *aCompMgr,
 {
   nsresult res;
   PRUint32 i;
-  nsIComponentManager * compMgr = NULL;
   nsIRegistry * registry = NULL;
   nsRegistryKey key;
   char buff[1024];
diff --git a/intl/uconv/ucvlatin/nsUCvLatinModule.cpp b/intl/uconv/ucvlatin/nsUCvLatinModule.cpp
index fac2aa60896..de57662a32d 100644
--- a/intl/uconv/ucvlatin/nsUCvLatinModule.cpp
+++ b/intl/uconv/ucvlatin/nsUCvLatinModule.cpp
@@ -1012,7 +1012,6 @@ NS_IMETHODIMP nsConverterModule::RegisterSelf(nsIComponentManager *aCompMgr,
 {
   nsresult res;
   PRUint32 i;
-  nsIComponentManager * compMgr = NULL;
   nsIRegistry * registry = NULL;
   nsRegistryKey key;
   char buff[1024];
diff --git a/intl/uconv/ucvtw/nsUCvTwModule.cpp b/intl/uconv/ucvtw/nsUCvTwModule.cpp
index c2cb4d4f15a..cace911330c 100644
--- a/intl/uconv/ucvtw/nsUCvTwModule.cpp
+++ b/intl/uconv/ucvtw/nsUCvTwModule.cpp
@@ -307,7 +307,6 @@ NS_IMETHODIMP nsConverterModule::RegisterSelf(nsIComponentManager *aCompMgr,
 {
   nsresult res;
   PRUint32 i;
-  nsIComponentManager * compMgr = NULL;
   nsIRegistry * registry = NULL;
   nsRegistryKey key;
   char buff[1024];
diff --git a/intl/uconv/ucvtw2/nsUCvTw2Module.cpp b/intl/uconv/ucvtw2/nsUCvTw2Module.cpp
index 1d327ead0ee..dd243f17a01 100644
--- a/intl/uconv/ucvtw2/nsUCvTw2Module.cpp
+++ b/intl/uconv/ucvtw2/nsUCvTw2Module.cpp
@@ -397,7 +397,6 @@ NS_IMETHODIMP nsConverterModule::RegisterSelf(nsIComponentManager *aCompMgr,
 {
   nsresult res;
   PRUint32 i;
-  nsIComponentManager * compMgr = NULL;
   nsIRegistry * registry = NULL;
   nsRegistryKey key;
   char buff[1024];