diff --git a/plover/default.nix b/plover/default.nix
index 2f97e8c..75c9ac6 100644
--- a/plover/default.nix
+++ b/plover/default.nix
@@ -57,19 +57,6 @@ in rec {
       src = inputs.plover-machine-hid;
       propagatedBuildInputs = [plover hid bitstring];
     };
-  ruamel-yaml = with python3Packages;
-    buildPythonPackage rec {
-      inherit (tarballs.ruamel-yaml-src.passthru) pname version;
-      src = tarballs.ruamel-yaml-src;
-      propagatedBuildInputs = [ruamel-yaml-clib];
-      setuptoolsCheckPhase = "true";
-    };
-  ruamel-yaml-clib = with python3Packages;
-    buildPythonPackage rec {
-      inherit (tarballs.ruamel-yaml-clib-src.passthru) pname version;
-      src = tarballs.ruamel-yaml-clib-src;
-      setuptoolsCheckPhase = "true";
-    };
   plover = with python3Packages;
     qt5.mkDerivationWith buildPythonPackage rec {
       pname = "plover";
diff --git a/python/tarballs.nix b/python/tarballs.nix
index 88228b7..3fd66d5 100644
--- a/python/tarballs.nix
+++ b/python/tarballs.nix
@@ -46,16 +46,4 @@ in rec {
     passthru.pname = "simplefuzzyset";
     passthru.version = "0.0.12";
   };
-  ruamel-yaml-src = fetchurl {
-    url = "https://files.pythonhosted.org/packages/46/a9/6ed24832095b692a8cecc323230ce2ec3480015fbfa4b79941bd41b23a3c/ruamel.yaml-0.17.21.tar.gz";
-    sha256 = "8b7ce697a2f212752a35c1ac414471dc16c424c9573be4926b56ff3f5d23b7af";
-    passthru.pname = "ruamel.yaml";
-    passthru.version = "0.17.21";
-  };
-  ruamel-yaml-clib-src = fetchurl {
-    url = "https://files.pythonhosted.org/packages/8b/25/08e5ad2431a028d0723ca5540b3af6a32f58f25e83c6dda4d0fcef7288a3/ruamel.yaml.clib-0.2.6.tar.gz";
-    sha256 = "4ff604ce439abb20794f05613c374759ce10e3595d1867764dd1ae675b85acbd";
-    passthru.pname = "ruamel.yaml.clib";
-    passthru.version = "0.2.6";
-  };
 }
diff --git a/python/update.sh b/python/update.sh
index c19ba34..6180620 100755
--- a/python/update.sh
+++ b/python/update.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env nix-shell
-#! nix-shell -i bash -p curl jq 
+#! nix-shell -i bash -p curl jq
 set -e
-PACKAGES="plover-plugins-manager plover-stroke rtf-tokenize plover-emoji plover-tapey-tape plover-yaml-dictionary simplefuzzyset ruamel.yaml ruamel.yaml.clib"
+PACKAGES="plover-plugins-manager plover-stroke rtf-tokenize plover-emoji plover-tapey-tape plover-yaml-dictionary simplefuzzyset"
 
 cat > tarballs.nix << EOF
 { inputs, pkgs }: let