diff --git a/src/services/clientService/InvocationMixin.ts b/src/services/clientService/InvocationMixin.ts
index 5aa4adcd..60dd8474 100644
--- a/src/services/clientService/InvocationMixin.ts
+++ b/src/services/clientService/InvocationMixin.ts
@@ -23,7 +23,6 @@ export const createInvocationMixin = (
     const init: Partial<InvocationFields> = {
       uid: instance.uid,
       startedAt: pocketNow(),
-      pid,
       instanceId: instance.id,
       totalSeconds: 0,
     }
diff --git a/src/shared/schema/Invocation.ts b/src/shared/schema/Invocation.ts
index 6d9ce16c..05f5f0a6 100644
--- a/src/shared/schema/Invocation.ts
+++ b/src/shared/schema/Invocation.ts
@@ -8,6 +8,5 @@ export type InvocationFields = BaseFields & {
   instanceId: RecordId
   startedAt: IsoDate
   endedAt: IsoDate
-  pid: InvocationPid
   totalSeconds: number
 }