diff --git a/vimlac/display_pbm.h b/vimlac/display_pbm.h
deleted file mode 100755
index 214f0fb..0000000
--- a/vimlac/display_pbm.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Interface for the vimlac PBM display.
- */
-
-#ifndef DISPLAY_PBM_H
-#define DISPLAY_PBM_H
-
-
-void display_reset(void);
-void display_init(void);
-void display_write(void);
-void display_draw(int x1, int y1, int x2, int y2);
-void display_clear(void);
-void display_close(void);
-bool display_dirty(void);
-
-
-#endif