diff --git a/reactos/lib/ole32/compobj.c b/reactos/lib/ole32/compobj.c
index 685715620f5..9d3b413160c 100644
--- a/reactos/lib/ole32/compobj.c
+++ b/reactos/lib/ole32/compobj.c
@@ -52,7 +52,7 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(ole);
 
-typedef LPCSTR LPCOLESTR16;
+
 
 /****************************************************************************
  * This section defines variables internal to the COM module.
diff --git a/reactos/lib/ole32/ifs.h b/reactos/lib/ole32/ifs.h
index badb4d24ba4..520b126cdf8 100644
--- a/reactos/lib/ole32/ifs.h
+++ b/reactos/lib/ole32/ifs.h
@@ -25,9 +25,7 @@
 #include "winbase.h"
 #include "objbase.h"
 
-typedef CHAR OLECHAR16;
-typedef LPSTR LPOLESTR16;
-typedef LPCSTR LPCOLESTR16;
+
 
 /***********************************************************************
  * IMalloc16 interface