diff --git a/.config/example.yml b/.config/example.yml
index 8b9d9b482..7817578d9 100644
--- a/.config/example.yml
+++ b/.config/example.yml
@@ -138,9 +138,6 @@ id: 'aid'
 # Proxy remote files (default: false)
 #proxyRemoteFiles: true
 
-# Sign to ActivityPub GET request (default: false)
-#signToActivityPubGet: true
-
 #allowedPrivateNetworks: [
 #  '127.0.0.1/32'
 #]
diff --git a/packages/backend/src/config/types.ts b/packages/backend/src/config/types.ts
index 78510c837..2f182e1ae 100644
--- a/packages/backend/src/config/types.ts
+++ b/packages/backend/src/config/types.ts
@@ -63,8 +63,6 @@ export type Source = {
 
 	mediaProxy?: string;
 	proxyRemoteFiles?: boolean;
-
-	signToActivityPubGet?: boolean;
 };
 
 /**
diff --git a/packages/backend/src/remote/activitypub/resolver.ts b/packages/backend/src/remote/activitypub/resolver.ts
index e89a7b21a..5c9d44292 100644
--- a/packages/backend/src/remote/activitypub/resolver.ts
+++ b/packages/backend/src/remote/activitypub/resolver.ts
@@ -76,7 +76,7 @@ export default class Resolver {
 			throw new Error('Instance is not allowed');
 		}
 
-		if (config.signToActivityPubGet && !this.user) {
+		if (!this.user) {
 			this.user = await getInstanceActor();
 		}