diff --git a/flake.lock b/flake.lock
index c5bd78ccf..149583a7c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -516,7 +516,6 @@
         "serversession": "serversession",
         "xss-sanitize": "xss-sanitize",
         "yesod": "yesod",
-        "yesod-auth-oauth2": "yesod-auth-oauth2",
         "zip-stream": "zip-stream"
       }
     },
@@ -602,22 +601,6 @@
         "url": "https://gitlab.uniworx.de/haskell/yesod.git"
       }
     },
-    "yesod-auth-oauth2": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1709302944,
-        "narHash": "sha256-6YPPNMe5oc+58gfzMixmmkJ0htwCI5/KSpWcsUpFcto=",
-        "ref": "refs/heads/main",
-        "rev": "acb69f8da40b9c91b4020296ce105119e76fdf1d",
-        "revCount": 415,
-        "type": "git",
-        "url": "https://github.com/freckle/yesod-auth-oauth2.git?tag=v0.7.2.0"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://github.com/freckle/yesod-auth-oauth2.git?tag=v0.7.2.0"
-      }
-    },
     "zip-stream": {
       "flake": false,
       "locked": {
diff --git a/flake.nix b/flake.nix
index 64b18fbe2..70f4146ef 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2022-2023 Sarah Vaupel <sarah.vaupel@uniworx.de>, Gregor Kleen <gregor@kleen.consulting>
+# SPDX-FileCopyrightText: 2022-2024 Sarah Vaupel <sarah.vaupel@uniworx.de>, Gregor Kleen <gregor@kleen.consulting>
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
@@ -84,11 +84,6 @@
       url = "git+https://gitlab.uniworx.de/haskell/esqueleto.git?ref=uni2work";
       flake = false;
     };
-
-    yesod-auth-oauth2 = {
-      url = "git+https://github.com/freckle/yesod-auth-oauth2.git?tag=v0.7.2.0";
-      flake = false;
-    };
   };
 
   outputs = inputs@{ self, nixpkgs, nixpkgs-recent, flake-utils, haskell-nix, ... }: flake-utils.lib.eachSystem ["x86_64-linux"]