diff --git a/src/libfetchers/github.cc b/src/libfetchers/github.cc
index 142b8b87c..8286edf75 100644
--- a/src/libfetchers/github.cc
+++ b/src/libfetchers/github.cc
@@ -147,17 +147,7 @@ struct GitArchiveInputScheme : InputScheme
         auto tokens = settings.accessTokens.get();
         auto pat = tokens.find(host);
         if (pat == tokens.end())
-        {
-            if ("github.com" == host)
-            {
-                auto oldcfg = settings.githubAccessToken.get();
-                if (!oldcfg.empty()) {
-                    warn("using deprecated 'github-access-token' config value; please use 'access-tokens' instead");
-                    return oldcfg;
-                }
-            }
             return std::nullopt;
-        }
         return pat->second;
     }
 
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index 3b8ccadf3..0f0c0fe6f 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -859,9 +859,6 @@ public:
           are loaded as plugins (non-recursively).
         )"};
 
-    Setting<std::string> githubAccessToken{this, "", "github-access-token",
-        "GitHub access token to get access to GitHub data through the GitHub API for `github:<..>` flakes (deprecated, please use 'access-tokens' instead)."};
-
     Setting<StringMap> accessTokens{this, {}, "access-tokens",
         R"(
           Access tokens used to access protected GitHub, GitLab, or