diff --git a/pkgs/development/libraries/rocm-runtime-ext/default.nix b/pkgs/development/libraries/rocm-runtime-ext/default.nix
deleted file mode 100644
index 3962804306a4..000000000000
--- a/pkgs/development/libraries/rocm-runtime-ext/default.nix
+++ /dev/null
@@ -1,42 +0,0 @@
-{ stdenv, fetchurl, autoPatchelfHook, rpmextract, rocm-runtime }:
-
-stdenv.mkDerivation rec {
-  pname = "rocm-runtime-ext";
-  version = "3.5.1";
-
-  src = fetchurl {
-    url = "https://repo.radeon.com/rocm/yum/3.5.1/hsa-ext-rocr-dev-1.1.30501.0-rocm-rel-3.5-34-def83d8a-Linux.rpm";
-    sha256 = "0r7lrmnplr10hs6wrji55i3dnczfzlmp8jahm1g3mhq2x12zmly0";
-  };
-
-  nativeBuildInputs = [ autoPatchelfHook rpmextract ];
-
-  buildInputs = [ rocm-runtime stdenv.cc.cc ];
-
-  unpackPhase = "rpmextract ${src}";
-
-  installPhase = ''
-    mkdir -p $out/lib
-    cp -R opt/rocm-${version}/hsa/lib $out/lib/rocm-runtime-ext
-  '';
-
-  setupHook = ./setup-hook.sh;
-
-  meta = with stdenv.lib; {
-    description = "Platform runtime for ROCm (closed-source extensions)";
-    longDescription = ''
-      This package provides closed-source extensions to the ROCm
-      runtime. Currently this adds support for OpenCL image
-      processing.
-
-      In order for the ROCm runtime to pick up the extension, you
-      should either set the ROCR_EXT_DIR environment variable should
-      be set to ''${rocm-runtime-ext}/lib/rocm-runtime-ext or this
-      package should be added to the hardware.opengl.extraPackages
-      NixOS configuration option.
-    '';
-    homepage = "https://github.com/RadeonOpenCompute/ROCR-Runtime";
-    license = with licenses; [ unfreeRedistributable ];
-    maintainers = with maintainers; [ danieldk ];
-  };
-}
diff --git a/pkgs/development/libraries/rocm-runtime-ext/setup-hook.sh b/pkgs/development/libraries/rocm-runtime-ext/setup-hook.sh
deleted file mode 100644
index 150d65570e61..000000000000
--- a/pkgs/development/libraries/rocm-runtime-ext/setup-hook.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-addRocmRuntimeExtDir () {
-    if [[ -z "${ROCR_EXT_DIR-}" ]]; then
-       export ROCR_EXT_DIR="@out@/lib/rocm-runtime-ext"
-    fi
-}
-
-addEnvHooks "$hostOffset" addRocmRuntimeExtDir
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 19d1218e3db3..df39ab73da4f 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -455,6 +455,7 @@ mapAliases ({
   rhc = throw "deprecated in 2019-04-09: abandoned by upstream.";
   rng_tools = rng-tools; # added 2018-10-24
   robomongo = robo3t; #added 2017-09-28
+  rocm-runtime-ext = throw "rocm-runtime-ext has been removed, since its functionality was added to rocm-runtime"; #added 2020-08-21
   rssglx = rss-glx; #added 2015-03-25
   recordmydesktop = throw "recordmydesktop has been removed from nixpkgs, as it's unmaintained and uses deprecated libraries"; # added 2019-12-10
   gtk-recordmydesktop = throw "gtk-recordmydesktop has been removed from nixpkgs, as it's unmaintained and uses deprecated libraries"; # added 2019-12-10
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0ccc4d05c1a4..47fb33c4c458 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9358,8 +9358,6 @@ in
     inherit (llvmPackages_rocm) clang-unwrapped llvm;
   };
 
-  rocm-runtime-ext = callPackage ../development/libraries/rocm-runtime-ext { };
-
   # Python >= 3.8 still gives a bunch of warnings.
   rocm-smi = python37.pkgs.callPackage ../tools/system/rocm-smi { };