diff --git a/pkgs/by-name/io/io/package.nix b/pkgs/by-name/io/io/package.nix
index 1aaa10968a14..b5b50d51b8e9 100644
--- a/pkgs/by-name/io/io/package.nix
+++ b/pkgs/by-name/io/io/package.nix
@@ -21,7 +21,6 @@
   libxml2,
   libglut,
   libsamplerate,
-  pcre,
   libevent,
   libedit,
   yajl,
@@ -81,7 +80,6 @@ stdenv.mkDerivation {
     libxml2
     libglut
     libsamplerate
-    pcre
     libevent
     libedit
     yajl