diff --git a/src/openvpn/wfp_block.c b/src/openvpn/wfp_block.c
index 74d19ce..4d38fdb 100644
--- a/src/openvpn/wfp_block.c
+++ b/src/openvpn/wfp_block.c
@@ -131,11 +131,6 @@
     return err;
 }
 
-#if defined(__GNUC__) || defined(__clang__)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wsign-compare"
-#endif
-
 /*
  * Block outgoing local traffic, possibly DNS only, except for
  * (i) adapter with the specified index (and loopback, if all is blocked)
@@ -198,7 +193,7 @@
        * do not treat "already exists" as an error */
         err = add_sublayer(OPENVPN_WFP_BLOCK_SUBLAYER);
 
-        if (err == FWP_E_ALREADY_EXISTS || err == ERROR_SUCCESS)
+        if (err == (DWORD)FWP_E_ALREADY_EXISTS || err == ERROR_SUCCESS)
         {
             msg_handler(0, "WFP Block: Added a persistent sublayer with pre-defined UUID");
         }
@@ -345,10 +340,6 @@
     return err;
 }
 
-#if defined(__GNUC__) || defined(__clang__)
-#pragma GCC diagnostic pop
-#endif
-
 DWORD
 delete_wfp_block_filters(HANDLE engine_handle)
 {