diff --git a/pkgs/development/erlang-modules/build-hex.nix b/pkgs/development/erlang-modules/build-hex.nix
index f7fc4d8836d1..d9191baeb81c 100644
--- a/pkgs/development/erlang-modules/build-hex.nix
+++ b/pkgs/development/erlang-modules/build-hex.nix
@@ -1,6 +1,7 @@
 { stdenv, erlang, rebar3, openssl, libyaml, fetchurl }:
 
 { name, version, sha256
+, hexPkg ? name
 , buildInputs ? [], erlangDeps ? []
 , postPatch ? ""
 , ... }@attrs:
@@ -44,8 +45,8 @@ stdenv.mkDerivation (attrs // {
 
   buildPhase = ''
     runHook preBuild
-    DEBUG=1 HOME=. rebar3 update
-    DEBUG=1 HOME=. rebar3 compile
+    HOME=. rebar3 update
+    HOME=. rebar3 compile
     runHook postBuild
   '';
 
@@ -62,7 +63,7 @@ stdenv.mkDerivation (attrs // {
   '';
 
   src = fetchurl {
-    url = "https://s3.amazonaws.com/s3.hex.pm/tarballs/${name}-${version}.tar";
+    url = "https://s3.amazonaws.com/s3.hex.pm/tarballs/${hexPkg}-${version}.tar";
     sha256 = sha256;
   };
 
diff --git a/pkgs/development/erlang-modules/default.nix b/pkgs/development/erlang-modules/default.nix
index 0dfe2472c38c..87447220bb74 100644
--- a/pkgs/development/erlang-modules/default.nix
+++ b/pkgs/development/erlang-modules/default.nix
@@ -7,32 +7,10 @@ let
     buildErlang = callPackage ./build-erlang.nix {};
     buildHex = callPackage ./build-hex.nix {};
 
-    # dependencies for ejabberd
-    p1_utils = callPackage ./hex/p1_utils.nix {};
-    cache_tab = callPackage ./hex/cache_tab.nix {};
-    stringprep = callPackage ./hex/stringprep.nix {};
-    p1_xml = callPackage ./hex/p1_xml.nix {};
-    p1_tls = callPackage ./hex/p1_tls.nix {};
-    p1_stun = callPackage ./hex/p1_stun.nix {};
-    esip = callPackage ./hex/esip.nix {};
-    p1_yaml = callPackage ./hex/p1_yaml.nix {};
-    xmlrpc = callPackage ./hex/xmlrpc.nix {};
-    jiffy = callPackage ./hex/jiffy.nix {};
-    sync = callPackage ./hex/sync.nix {};
-    erlang-katana = callPackage ./hex/erlang-katana.nix {};
-    eper = callPackage ./hex/eper.nix {};
-
     goldrush = callPackage ./hex/goldrush.nix {};
-    lager = callPackage ./hex/lager.nix {};
-    getopt = callPackage ./hex/getopt.nix {};
-    meck = callPackage ./hex/meck.nix {};
     ibrowse = callPackage ./hex/ibrowse.nix {};
-    aleppo = callPackage ./hex/aleppo.nix {};
-    zipper = callPackage ./hex/zipper.nix {};
-    erlang-github = callPackage ./hex/erlang-github.nix {};
-
-    elvis = callPackage ./hex/elvis.nix {};
-    apns = callPackage ./hex/apns.nix {};
-    appmon = callPackage ./hex/appmon.nix {};
+    jiffy = callPackage ./hex/jiffy.nix {};
+    lager = callPackage ./hex/lager.nix {};
+    meck = callPackage ./hex/meck.nix {};
   };
 in self
diff --git a/pkgs/development/erlang-modules/hex/ibrowse.nix b/pkgs/development/erlang-modules/hex/ibrowse.nix
index d742a8904ceb..6ed189eb39d2 100644
--- a/pkgs/development/erlang-modules/hex/ibrowse.nix
+++ b/pkgs/development/erlang-modules/hex/ibrowse.nix
@@ -1,10 +1,8 @@
-{ buildErlang, fetchgit }:
+{ buildHex }:
 
-buildErlang {
+buildHex {
   name = "ibrowse";
-  version = "0.1";
-  src = fetchgit {
-    url = "git://github.com/cmullaparthi/ibrowse.git";
-    sha256 = "1qvz4bmh307avjsxmhhdf35dd5wzmii0cbf6jyvvlhhkq4y0nmnj";
-  };
-}
\ No newline at end of file
+  version = "4.2.2";
+  sha256 = "1bn0645n95j5zypdsns1w4kgd3q9lz8fj898hg355j5w89scn05q";
+}
+
diff --git a/pkgs/development/erlang-modules/hex/jiffy.nix b/pkgs/development/erlang-modules/hex/jiffy.nix
index 762086da23f7..b9f92c888a45 100644
--- a/pkgs/development/erlang-modules/hex/jiffy.nix
+++ b/pkgs/development/erlang-modules/hex/jiffy.nix
@@ -1,10 +1,8 @@
-{ buildErlang, fetchgit }:
+{ buildHex }:
 
-buildErlang {
+buildHex {
   name = "jiffy";
-  version = "0.1";
-  src = fetchgit {
-    url = "git://github.com/davisp/jiffy.git";
-    sha256 = "02qb8m4s2p51m5f882ifsaph9fwx0bih37q5q90ba8cvsak65isx";
-  };
-}
\ No newline at end of file
+  version = "0.14.5";
+  hexPkg = "barrel_jiffy";
+  sha256 = "0iqz8bp0f672c5rfy5dpw9agv2708wzldd00ngbsffglpinlr1wa";
+}
diff --git a/pkgs/development/erlang-modules/hex/meck.nix b/pkgs/development/erlang-modules/hex/meck.nix
index a361147aab4c..f0a4da5392c5 100644
--- a/pkgs/development/erlang-modules/hex/meck.nix
+++ b/pkgs/development/erlang-modules/hex/meck.nix
@@ -1,10 +1,7 @@
-{ buildErlang, fetchgit }:
+{ buildHex }:
 
-buildErlang {
+buildHex {
   name = "meck";
-  version = "0.1";
-  src = fetchgit {
-    url = "git://github.com/eproxus/meck.git";
-    sha256 = "077p3v81mspy69247bz4apln3gp567m4xpmzxmdjd6pyh6m5ahpk";
-  };
-}
\ No newline at end of file
+  version = "0.8.3";
+  sha256 = "1dh2rhks1xly4f49x89vbhsk8fgwkx5zqp0n98mnng8rs1rkigak";
+}