diff --git a/.changeset/kind-coins-attack.md b/.changeset/kind-coins-attack.md
new file mode 100644
index 00000000000..73d23ab1b79
--- /dev/null
+++ b/.changeset/kind-coins-attack.md
@@ -0,0 +1,5 @@
+---
+"@remix-run/dev": patch
+---
+
+ignore errors when killing already dead processes
diff --git a/packages/remix-dev/devServer_unstable/proc.ts b/packages/remix-dev/devServer_unstable/proc.ts
index 47b8c6f0170..6f9f6ea9c67 100644
--- a/packages/remix-dev/devServer_unstable/proc.ts
+++ b/packages/remix-dev/devServer_unstable/proc.ts
@@ -4,14 +4,17 @@ import pidtree from "pidtree";
 let isWindows = process.platform === "win32";
 
 export let kill = async (pid: number) => {
-  try {
-    let cmd = isWindows
-      ? ["taskkill", "/F", "/PID", pid.toString()]
-      : ["kill", "-9", pid.toString()];
-    await execa(cmd[0], cmd.slice(1));
-  } catch (error) {
-    throw new Error(`Failed to kill process ${pid}: ${error}`);
+  if (isWindows) {
+    await execa("taskkill", ["/F", "/PID", pid.toString()]).catch((error) => {
+      // taskkill 128 -> the process is already dead
+      if (error.exitCode !== 128) throw error;
+    });
+    return;
   }
+  await execa("kill", ["-9", pid.toString()]).catch((error) => {
+    // process is already dead
+    if (!/No such process/.test(error.message)) throw error;
+  });
 };
 
 let isAlive = (pid: number) => {