diff --git a/.changeset/thirty-eagles-build.md b/.changeset/thirty-eagles-build.md
new file mode 100644
index 00000000000..943228989c9
--- /dev/null
+++ b/.changeset/thirty-eagles-build.md
@@ -0,0 +1,5 @@
+---
+"@effect/platform": patch
+---
+
+Remove error case from `Command.isRunning` type signature
diff --git a/packages/platform/src/CommandExecutor.ts b/packages/platform/src/CommandExecutor.ts
index 85ff4ae63be..a03d8e07a46 100644
--- a/packages/platform/src/CommandExecutor.ts
+++ b/packages/platform/src/CommandExecutor.ts
@@ -99,7 +99,7 @@ export interface Process extends Inspectable {
   /**
    * Returns `true` if the process is still running, otherwise returns `false`.
    */
-  readonly isRunning: Effect<boolean, PlatformError>
+  readonly isRunning: Effect<boolean>
   /**
    * Kills the running process with the provided signal.
    *