diff --git a/crypto/e_os.h b/crypto/e_os.h
deleted file mode 100644
index c834b54a1..000000000
--- a/crypto/e_os.h
+++ /dev/null
@@ -1,4 +0,0 @@
-/* The test programs are compiled in different directories for
- * the "Makefile" and the "makefile.one" case -- the real e_os.h
- * is one level above. */
-#include "../e_os.h"