diff --git a/reactos/w32api/include/accctrl.h b/reactos/w32api/include/accctrl.h
index 729af752b10..7985abc2d10 100644
--- a/reactos/w32api/include/accctrl.h
+++ b/reactos/w32api/include/accctrl.h
@@ -380,7 +380,6 @@ typedef OBJECTS_AND_NAME_W OBJECTS_AND_NAME_, *POBJECTS_AND_NAME_;
 #if (_WIN32_WINNT >= 0x0501)
 typedef INHERITED_FROMW INHERITED_FROM, *PINHERITED_FROM;
 #endif
-typedef INHERITED_FROMW INHERITED_FROM, *PINHERITED_FROM;
 #else
 #define ACCCTRL_DEFAULT_PROVIDER ACCCTRL_DEFAULT_PROVIDERA
 typedef TRUSTEE_A TRUSTEE_, *PTRUSTEE_;
@@ -398,7 +397,6 @@ typedef OBJECTS_AND_NAME_A OBJECTS_AND_NAME_, *POBJECTS_AND_NAME_;
 #if (_WIN32_WINNT >= 0x0501)
 typedef INHERITED_FROMA INHERITED_FROM, *PINHERITED_FROM;
 #endif
-typedef INHERITED_FROMA INHERITED_FROM, *PINHERITED_FROM;
 #endif /* UNICODE */
 
 #ifdef __cplusplus