diff --git a/hw/xfree86/os-support/linux/Makefile.am b/hw/xfree86/os-support/linux/Makefile.am
index 0301a743b..9e09fb610 100644
--- a/hw/xfree86/os-support/linux/Makefile.am
+++ b/hw/xfree86/os-support/linux/Makefile.am
@@ -47,5 +47,4 @@ LNX_EXTRA_SOURCES = \
 EXTRA_DIST = \
 	$(LNX_EXTRA_SOURCES) \
 	lnx.h \
-	lnx_kbd.h \
 	$(srcdir)/../shared/xf86Axp.h
diff --git a/hw/xfree86/os-support/lynxos/Makefile.am b/hw/xfree86/os-support/lynxos/Makefile.am
index 0bb514b8a..4085c49a9 100644
--- a/hw/xfree86/os-support/lynxos/Makefile.am
+++ b/hw/xfree86/os-support/lynxos/Makefile.am
@@ -1,6 +1,5 @@
 EXTRA_DIST = \
 	lynx_init.c \
-	lynx_io.c \
 	lynx_mmap.c \
 	lynx_mouse.c \
 	lynx_noinline.c \
diff --git a/hw/xfree86/os-support/sysv/Makefile.am b/hw/xfree86/os-support/sysv/Makefile.am
index 85aa76470..f9d2f237a 100644
--- a/hw/xfree86/os-support/sysv/Makefile.am
+++ b/hw/xfree86/os-support/sysv/Makefile.am
@@ -1 +1 @@
-EXTRA_DIST = sysv_init.c sysv_io.c sysv_mouse.c sysv_video.c
+EXTRA_DIST = sysv_init.c sysv_mouse.c sysv_video.c