diff --git a/os/connection.c b/os/connection.c
index e91a4e06a5..fa5b543403 100644
--- a/os/connection.c
+++ b/os/connection.c
@@ -122,6 +122,9 @@ SOFTWARE.
 
 #define MAX_CONNECTIONS (1<<16)
 
+#define OS_COMM_GRAB_IMPERVIOUS 1
+#define OS_COMM_IGNORED         2
+
 struct ospoll   *server_poll;
 
 Bool NewOutputPending;          /* not yet attempted to write some new output */
diff --git a/os/osdep.h b/os/osdep.h
index f63b93c1ee..1e51a6e703 100644
--- a/os/osdep.h
+++ b/os/osdep.h
@@ -74,9 +74,6 @@ typedef struct _osComm {
     int flags;
 } OsCommRec, *OsCommPtr;
 
-#define OS_COMM_GRAB_IMPERVIOUS 1
-#define OS_COMM_IGNORED         2
-
 int FlushClient(ClientPtr who, OsCommPtr oc);
 
 extern void FreeOsBuffers(OsCommPtr     /*oc */