--- a/tools/lvm.c
+++ b/tools/lvm.c
@@ -25,10 +25,6 @@
 
 #  include <readline/readline.h>
 #  include <readline/history.h>
-#  ifndef HAVE_RL_COMPLETION_MATCHES
-#    define rl_completion_matches(a, b) completion_matches((char *)a, b)
-#    define rl_completion_func_t CPPFunction
-#  endif
 
 static struct cmdline_context *_cmdline;