diff --git a/PDP10/ka10_ten11.c b/PDP10/ka10_ten11.c
index bacad4e4..89e231fb 100644
--- a/PDP10/ka10_ten11.c
+++ b/PDP10/ka10_ten11.c
@@ -31,8 +31,6 @@
 #endif
 
 #if (NUM_DEVS_TEN11 > 0)
-#include <fcntl.h>
-#include <sys/types.h>
 
 /* Rubin 10-11 pager. */
 static uint64 ten11_pager[256];