--- a/src/surface/Makefile
+++ b/src/surface/Makefile
@@ -1,16 +1,8 @@
 # Sources
-DIR_SOURCES := surface.c able.c ram.c linux.c
+DIR_SOURCES := surface.c ram.c linux.c
 
 ifeq ($(NSFB_SDL_AVAILABLE),yes)
   DIR_SOURCES := $(DIR_SOURCES) sdl.c
 endif
 
-ifeq ($(NSFB_XCB_AVAILABLE),yes)
-  DIR_SOURCES := $(DIR_SOURCES) x.c
-endif
-
-ifeq ($(NSFB_VNC_AVAILABLE),yes)
-  DIR_SOURCES := $(DIR_SOURCES) vnc.c
-endif
-
 include build/makefiles/Makefile.subdir