diff --git a/include/wine/svcctl.idl b/include/wine/svcctl.idl
index 65dfb6279ea..7e5a0a68418 100644
--- a/include/wine/svcctl.idl
+++ b/include/wine/svcctl.idl
@@ -63,9 +63,6 @@ interface svcctl
     /* undocumented access rights */
     cpp_quote("#define SERVICE_SET_STATUS   0x8000")
 
-    /* undocumented access rights */
-    cpp_quote("#define SERVICE_SET_STATUS   0x8000")
-
 cpp_quote("#if 0 /* already defined in winsvc.h */")
 typedef struct _QUERY_SERVICE_CONFIGW {
     DWORD   dwServiceType;