diff --git a/bin/makefile-tail b/bin/makefile-tail
index d6277f7..ee098bb 100644
--- a/bin/makefile-tail
+++ b/bin/makefile-tail
@@ -674,7 +674,7 @@ $(OBJECTDIR)initsout.o: $(SRCDIR)initsout.c $(REQUIRED-INCS) \
 
 $(OBJECTDIR)kbdsubrs.o: $(SRCDIR)kbdsubrs.c $(REQUIRED-INCS) \
 	$(INCDIR)lispemul.h $(INCDIR)kbdsubrsdefs.h \
-	$(INCDIR)commondefs.h $(INCDIR)lisp2cdefs.h $(INCDIR)xwinmandefs.h \
+	$(INCDIR)commondefs.h $(INCDIR)xwinmandefs.h \
 	$(INCDIR)devif.h
 	$(CC) $(RFLAGS) $(SRCDIR)kbdsubrs.c -o $(OBJECTDIR)kbdsubrs.o
 
diff --git a/src/kbdsubrs.c b/src/kbdsubrs.c
index 7175431..3bb9a8c 100644
--- a/src/kbdsubrs.c
+++ b/src/kbdsubrs.c
@@ -28,7 +28,6 @@
 #include "kbdsubrsdefs.h"
 #include "commondefs.h"
 #ifdef XWINDOW
-#include "lisp2cdefs.h"
 #include "xwinmandefs.h"
 #endif