diff --git a/pkgs/development/coq-modules/coq-ext-lib/default.nix b/pkgs/development/coq-modules/coq-ext-lib/default.nix
index 5ebf07922776..374979f1d15b 100644
--- a/pkgs/development/coq-modules/coq-ext-lib/default.nix
+++ b/pkgs/development/coq-modules/coq-ext-lib/default.nix
@@ -2,7 +2,6 @@
 
 let param =
   {
-    "8.4" = { version = "0.9.0"; sha256 = "1n3bk003vvbghbrxkhal6drnc0l65jv9y77wd56is3jw9xgiif0w"; };
     "8.5" = { version = "0.9.4"; sha256 = "1y66pamgsdxlq2w1338lj626ln70cwj7k53hxcp933g8fdsa4hp0"; };
     "8.6" = { version = "0.9.5"; sha256 = "1b4cvz3llxin130g13calw5n1zmvi6wdd5yb8a41q7yyn2hd3msg"; };
     "8.7" = { version = "0.9.5"; sha256 = "1b4cvz3llxin130g13calw5n1zmvi6wdd5yb8a41q7yyn2hd3msg"; };
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 558eaf40345c..7bf004cdc6c5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -18806,7 +18806,6 @@ with pkgs;
       in
         recurseIntoAttrs contribs;
 
-    coqExtLib = callPackage ../development/coq-modules/coq-ext-lib {};
     coqeal = callPackage ../development/coq-modules/coqeal {};
     coquelicot = callPackage ../development/coq-modules/coquelicot {};
     domains = callPackage ../development/coq-modules/domains {};