diff --git a/pkgs/applications/networking/mumble/default.nix b/pkgs/applications/networking/mumble/default.nix
index 4432d9ddeece..088391ba48f7 100644
--- a/pkgs/applications/networking/mumble/default.nix
+++ b/pkgs/applications/networking/mumble/default.nix
@@ -6,7 +6,7 @@
 , speechdSupport ? false, speechd
 , pulseSupport ? false, libpulseaudio
 , iceSupport ? false, zeroc-ice
-, grpcSupport ? false, grpc, c-ares, abseil-cpp, which
+, grpcSupport ? false, grpc, which
 , nixosTests
 }:
 
@@ -115,7 +115,7 @@ let
 
     buildInputs = [ libcap ]
       ++ lib.optional iceSupport zeroc-ice
-      ++ lib.optionals grpcSupport [ grpc c-ares abseil-cpp which ];
+      ++ lib.optionals grpcSupport [ grpc which ];
 
     installPhase = ''
       # bin stuff
diff --git a/pkgs/development/libraries/grpc/default.nix b/pkgs/development/libraries/grpc/default.nix
index 5374dc75e1a8..780f8c5f0b5a 100644
--- a/pkgs/development/libraries/grpc/default.nix
+++ b/pkgs/development/libraries/grpc/default.nix
@@ -21,7 +21,8 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ zlib c-ares c-ares.cmake-config re2 openssl protobuf gflags ]
+  propagatedBuildInputs = [ c-ares re2 zlib ];
+  buildInputs = [ c-ares.cmake-config openssl protobuf gflags ]
     ++ lib.optionals stdenv.isLinux [ libnsl ];
 
   cmakeFlags =