diff --git a/pkgs/shells/zsh/zimfw/default.nix b/pkgs/shells/zsh/zimfw/default.nix
index f1e7afa8c384..d37b4c8b522e 100644
--- a/pkgs/shells/zsh/zimfw/default.nix
+++ b/pkgs/shells/zsh/zimfw/default.nix
@@ -2,14 +2,14 @@
 
 stdenv.mkDerivation rec {
   pname = "zimfw";
-  version = "1.14.0";
+  version = "1.15.0";
   src = fetchFromGitHub {
     owner = "zimfw";
     repo = "zimfw";
     rev = "v${version}";
     ## zim only needs this one file to be installed.
     sparseCheckout = [ "zimfw.zsh" ];
-    hash = "sha256-JBMrgUMGsvjYasEHJsZ0jZAHmrN3Z0d8T8agI9FiEPs=";
+    hash = "sha256-8GnxUhBvMy7fhDILDKYEf/9Mhgzz7suaiZ5elRZmT0o=";
   };
   strictDeps = true;
   dontConfigure = true;
@@ -24,17 +24,6 @@ stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
-  ## zim automates the downloading of any plugins you specify in the `.zimrc`
-  ## file. To do that with Nix, you'll need $ZIM_HOME to be writable.
-  ## `~/.cache/zim` is a good place for that. The problem is that zim also
-  ## looks for `zimfw.zsh` there, so we're going to tell it here to look for
-  ## the `zimfw.zsh` where we currently are.
-  postFixup = ''
-    substituteInPlace $out/zimfw.zsh \
-      --replace "\''${ZIM_HOME}/zimfw.zsh" "$out/zimfw.zsh" \
-      --replace "\''${(q-)ZIM_HOME}/zimfw.zsh" "$out/zimfw.zsh"
-  '';
-
   meta = with lib; {
     description =
       "The Zsh configuration framework with blazing speed and modular extensions";