diff --git a/Makefile b/Makefile
index fe652b4..00b507d 100644
--- a/Makefile
+++ b/Makefile
@@ -3,9 +3,6 @@ OCB       = ocamlbuild $(OCB_FLAGS)
 PKGS      = toml,uuidm,omd,str,batteries,lens,lwt,lwt.unix,ptime,ptime.clock.os,re.str,lens.ppx_deriving
 WEB_PKGS  = $(PKGS),opium.unix,tyxml,mustache
 CMD_PKGS  = $(PKGS),cmdliner
-comma:= ,
-empty:=
-space:= $(empty) $(empty)
 
 all: cmd web