diff --git a/modules/programs/taskwarrior.nix b/modules/programs/taskwarrior.nix
index 4697b9c1a..3eb0013e3 100644
--- a/modules/programs/taskwarrior.nix
+++ b/modules/programs/taskwarrior.nix
@@ -112,13 +112,9 @@ in {
         else
           echo "include ${homeConf}" > "${userConf}"
         fi
-      elif ! ${pkgs.gnugrep}/bin/grep -qF "include ${homeConf}" ${
-        escapeShellArg userConf
-      }; then
-        # Add include statement for home-manager generated config
-        $DRY_RUN_CMD ${pkgs.gnused}/bin/sed -i '1i include ${homeConf}' ${
-          escapeShellArg userConf
-        }
+      elif ! grep -qF "include ${homeConf}" ${escapeShellArg userConf}; then
+        # Add include statement for Home Manager generated config.
+        $DRY_RUN_CMD sed -i '1i include ${homeConf}' ${escapeShellArg userConf}
       fi
     '';
   };