diff --git a/packages/agent-core-v2/src/session/agentLifecycle/agentLifecycleService.ts b/packages/agent-core-v2/src/session/agentLifecycle/agentLifecycleService.ts
index 5064a7877..d94fc6efc 100644
--- a/packages/agent-core-v2/src/session/agentLifecycle/agentLifecycleService.ts
+++ b/packages/agent-core-v2/src/session/agentLifecycle/agentLifecycleService.ts
@@ -142,7 +142,7 @@ export class AgentLifecycleService extends Disposable implements IAgentLifecycle
           ],
           [IAgentWireRecordService, new SyncDescriptor(AgentWireRecordService, [{ homedir: agentHomedir }])],
           [IAgentWireService, new SyncDescriptor(WireService, [{ logScope: agentScope, logKey: WIRE_RECORD_FILENAME, blobSelector: contextBlobSelector }])],
-          [IAgentBlobService, new SyncDescriptor(AgentBlobServiceImpl, [{}])],
+          [IAgentBlobService, new SyncDescriptor(AgentBlobServiceImpl)],
           [
             IAgentMcpService,
             new SyncDescriptor(AgentMcpService, [
diff --git a/packages/agent-core-v2/test/blob/blobService.test.ts b/packages/agent-core-v2/test/blob/blobService.test.ts
index d83ed16ba..b2a0e452b 100644
--- a/packages/agent-core-v2/test/blob/blobService.test.ts
+++ b/packages/agent-core-v2/test/blob/blobService.test.ts
@@ -47,7 +47,7 @@ describe('AgentBlobServiceImpl', () => {
       ],
       [
         IAgentBlobService as ServiceIdentifier<unknown>,
-        new SyncDescriptor(AgentBlobServiceImpl, [{}]),
+        new SyncDescriptor(AgentBlobServiceImpl),
       ],
     ]);
     return agent.accessor.get(IAgentBlobService);
@@ -146,7 +146,7 @@ describe('AgentBlobServiceImpl', () => {
       ],
       [
         IAgentBlobService as ServiceIdentifier<unknown>,
-        new SyncDescriptor(AgentBlobServiceImpl, [{}]),
+        new SyncDescriptor(AgentBlobServiceImpl),
       ],
     ]);
     const store = agent.accessor.get(IAgentBlobService);
diff --git a/packages/agent-core-v2/test/blob/blobref.test.ts b/packages/agent-core-v2/test/blob/blobref.test.ts
index 1dc3b578d..18d82ffa4 100644
--- a/packages/agent-core-v2/test/blob/blobref.test.ts
+++ b/packages/agent-core-v2/test/blob/blobref.test.ts
@@ -76,7 +76,7 @@ function createStore(
     IAgentScopeContext,
     makeAgentScopeContext({ agentId: 'test', agentScope: '' }),
   );
-  ix.set(IAgentBlobService, new SyncDescriptor(ctor, [{}]));
+  ix.set(IAgentBlobService, new SyncDescriptor(ctor));
   return ix.get(IAgentBlobService);
 }