diff --git a/mozilla/mailnews/addrbook/src/nsAbCardProperty.cpp b/mozilla/mailnews/addrbook/src/nsAbCardProperty.cpp
index 2eb118ab657..ad66ff0ed4c 100644
--- a/mozilla/mailnews/addrbook/src/nsAbCardProperty.cpp
+++ b/mozilla/mailnews/addrbook/src/nsAbCardProperty.cpp
@@ -410,7 +410,7 @@ NS_IMETHODIMP nsAbCardProperty::SetCardValue(const char *attrname, const PRUnich
 		nsAutoString cardValue(value);
 		char* valueStr = cardValue.ToNewCString();
 		rv = SetAnonymousStringAttribute(attrname, valueStr);
-		delete[] valueStr;
+		nsAllocator::Free(valueStr);
 	}
 	return rv;
 }
diff --git a/mozilla/mailnews/addrbook/src/nsCardDataSource.cpp b/mozilla/mailnews/addrbook/src/nsCardDataSource.cpp
index 247d18c1ae6..2d147345bf8 100644
--- a/mozilla/mailnews/addrbook/src/nsCardDataSource.cpp
+++ b/mozilla/mailnews/addrbook/src/nsCardDataSource.cpp
@@ -454,6 +454,7 @@ nsresult nsAbCardDataSource::DoNewCard(nsIAbCard *card, nsISupportsArray *argume
 		PRUnichar *name;
 		literal->GetValue(&name);
 		nsString tempStr = name;
+		nsAllocator::Free(name);
 		nsAutoCString nameStr(tempStr);
 
 //		rv = card->CreateNewCard(nameStr);
diff --git a/mozilla/mailnews/addrbook/src/nsDirectoryDataSource.cpp b/mozilla/mailnews/addrbook/src/nsDirectoryDataSource.cpp
index 115eb159734..f0317414279 100644
--- a/mozilla/mailnews/addrbook/src/nsDirectoryDataSource.cpp
+++ b/mozilla/mailnews/addrbook/src/nsDirectoryDataSource.cpp
@@ -626,6 +626,7 @@ nsresult nsAbDirectoryDataSource::DoNewDirectory(nsIAbDirectory *directory, nsIS
 		literal->GetValue(&name);
 
 		rv = directory->CreateNewDirectory(name, nsnull);
+		nsAllocator::Free(name);
 	}
 	return rv;
 }