diff --git a/pkgs/applications/networking/mumble/default.nix b/pkgs/applications/networking/mumble/default.nix
index 1e9fc99c29dd..8660d94a9e0b 100644
--- a/pkgs/applications/networking/mumble/default.nix
+++ b/pkgs/applications/networking/mumble/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, fetchgit, pkgconfig
-, qt4, qt5, avahi, boost, libopus, celt, libsndfile, protobuf, speex, libcap
+, qt4, qt5, avahi, boost, libopus, libsndfile, protobuf, speex, libcap
 , alsaLib
 , jackSupport ? false, libjack2 ? null
 , speechdSupport ? false, speechd ? null
@@ -32,7 +32,7 @@ let
       "CONFIG+=packaged"
       "CONFIG+=no-update"
       "CONFIG+=no-embed-qt-translations"
-      "CONFIG+=no-bundled-celt"
+      "CONFIG+=bundled-celt"
       "CONFIG+=no-bundled-opus"
       "CONFIG+=no-bundled-speex"
     ] ++ optional (!speechdSupport) "CONFIG+=no-speechd"
@@ -65,10 +65,9 @@ let
 
   client = source: generic {
     type = "mumble";
-    NIX_CFLAGS_COMPILE = [ "-I${celt}/include/celt" ];
 
     nativeBuildInputs = optional (source.qtVersion == 5) qt5.tools;
-    buildInputs = [ libopus celt libsndfile speex ]
+    buildInputs = [ libopus libsndfile speex ]
       ++ optional (source.qtVersion == 5) qt5.svg
       ++ optional stdenv.isLinux alsaLib
       ++ optional jackSupport libjack2
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7d5108658d5a..c79a810d5156 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12197,7 +12197,6 @@ let
         withLibdnssdCompat = true;
       };
       qt5 = qt54; # Mumble is not compatible with qt55 yet
-      celt = celt_0_7;
       jackSupport = config.mumble.jackSupport or false;
       speechdSupport = config.mumble.speechdSupport or false;
       pulseSupport = config.pulseaudio or false;