diff --git a/lib/curl_sspi.h b/lib/curl_sspi.h
index 40f890af1..7fa308c5a 100644
--- a/lib/curl_sspi.h
+++ b/lib/curl_sspi.h
@@ -64,6 +64,26 @@ extern PSecurityFunctionTable s_pSecFn;
 #define ISC_REQ_USE_HTTP_STYLE                0x01000000
 #endif
 
+#ifndef ISC_RET_REPLAY_DETECT
+#define ISC_RET_REPLAY_DETECT                 0x00000004
+#endif
+
+#ifndef ISC_RET_SEQUENCE_DETECT
+#define ISC_RET_SEQUENCE_DETECT               0x00000008
+#endif
+
+#ifndef ISC_RET_CONFIDENTIALITY
+#define ISC_RET_CONFIDENTIALITY               0x00000010
+#endif
+
+#ifndef ISC_RET_ALLOCATED_MEMORY
+#define ISC_RET_ALLOCATED_MEMORY              0x00000100
+#endif
+
+#ifndef ISC_RET_STREAM
+#define ISC_RET_STREAM                        0x00008000
+#endif
+
 #ifndef SEC_E_INSUFFICIENT_MEMORY
 # define SEC_E_INSUFFICIENT_MEMORY            ((HRESULT)0x80090300L)
 #endif
diff --git a/lib/vtls/curl_schannel.h b/lib/vtls/curl_schannel.h
index 417dd732f..b787cc787 100644
--- a/lib/vtls/curl_schannel.h
+++ b/lib/vtls/curl_schannel.h
@@ -72,27 +72,6 @@
 #define SECBUFFER_ALERT                 17
 #endif
 
-#ifndef ISC_RET_REPLAY_DETECT
-#define ISC_RET_REPLAY_DETECT           0x00000004
-#endif
-
-#ifndef ISC_RET_SEQUENCE_DETECT
-#define ISC_RET_SEQUENCE_DETECT         0x00000008
-#endif
-
-#ifndef ISC_RET_CONFIDENTIALITY
-#define ISC_RET_CONFIDENTIALITY         0x00000010
-#endif
-
-#ifndef ISC_RET_ALLOCATED_MEMORY
-#define ISC_RET_ALLOCATED_MEMORY        0x00000100
-#endif
-
-#ifndef ISC_RET_STREAM
-#define ISC_RET_STREAM                  0x00008000
-#endif
-
-
 #define CURL_SCHANNEL_BUFFER_INIT_SIZE   4096
 #define CURL_SCHANNEL_BUFFER_FREE_SIZE   1024