diff --git a/pkgs/development/beam-modules/elixir-ls/default.nix b/pkgs/development/beam-modules/elixir-ls/default.nix
index 885b6eec49af..8573b4b7ca16 100644
--- a/pkgs/development/beam-modules/elixir-ls/default.nix
+++ b/pkgs/development/beam-modules/elixir-ls/default.nix
@@ -16,6 +16,8 @@ in
 mixRelease  {
   inherit pname version src elixir;
 
+  stripDebug = true;
+
   mixFodDeps = fetchMixDeps {
     pname = "mix-deps-${pname}";
     inherit src version elixir;
diff --git a/pkgs/development/beam-modules/mix-release.nix b/pkgs/development/beam-modules/mix-release.nix
index 1a926148d599..1d40da27ecba 100644
--- a/pkgs/development/beam-modules/mix-release.nix
+++ b/pkgs/development/beam-modules/mix-release.nix
@@ -9,16 +9,25 @@
 , enableDebugInfo ? false
 , mixEnv ? "prod"
 , compileFlags ? [ ]
+
   # mix fixed output derivation dependencies
 , mixFodDeps ? null
+
   # mix dependencies generated by mix2nix
   # this assumes each dependency is built by buildMix or buildRebar3
   # each dependency needs to have a setup hook to add the lib path to $ERL_LIBS
   # this is how mix will find dependencies
 , mixNixDeps ? { }
+
 , elixir ? inputs.elixir
 , hex ? inputs.hex.override { inherit elixir; }
-, stripDebug ? true
+
+# This reduces closure size, but can lead to some hard to understand runtime
+# errors, so use with caution. See e.g.
+# https://github.com/whitfin/cachex/issues/205
+# https://framagit.org/framasoft/mobilizon/-/issues/1169
+, stripDebug ? false
+
 , ...
 }@attrs:
 let
diff --git a/pkgs/servers/akkoma/default.nix b/pkgs/servers/akkoma/default.nix
index 5c9ae060df78..f6fe550bca58 100644
--- a/pkgs/servers/akkoma/default.nix
+++ b/pkgs/servers/akkoma/default.nix
@@ -31,9 +31,6 @@ beamPackages.mixRelease rec {
     mix phx.digest --no-deps-check
   '';
 
-  # cf. https://github.com/whitfin/cachex/issues/205
-  stripDebug = false;
-
   mixNixDeps = import ./mix.nix {
     inherit beamPackages lib;
     overrides = (final: prev: {
diff --git a/pkgs/servers/pleroma/default.nix b/pkgs/servers/pleroma/default.nix
index 424944f4e478..05fe4c7d31b9 100644
--- a/pkgs/servers/pleroma/default.nix
+++ b/pkgs/servers/pleroma/default.nix
@@ -17,7 +17,6 @@ beamPackages.mixRelease rec {
     rev = "v${version}";
     sha256 = "sha256-3iG2s7jVEnhq1kLLgtaHnFmLYBO2Xr5M5jjZfSNA9z4=";
   };
-  stripDebug = false;
 
   mixNixDeps = import ./mix.nix {
     inherit beamPackages lib;
diff --git a/pkgs/servers/web-apps/plausible/default.nix b/pkgs/servers/web-apps/plausible/default.nix
index d57bcfc0190a..43001649b07e 100644
--- a/pkgs/servers/web-apps/plausible/default.nix
+++ b/pkgs/servers/web-apps/plausible/default.nix
@@ -49,9 +49,6 @@ beamPackages.mixRelease {
 
   nativeBuildInputs = [ nodejs ];
 
-  # https://github.com/whitfin/cachex/issues/205
-  stripDebug = false;
-
   passthru = {
     tests = { inherit (nixosTests) plausible; };
     updateScript = ./update.sh;