diff --git a/sdk/api/handlers/handlers.go b/sdk/api/handlers/handlers.go
index 5fc1154e..420d1fcc 100644
--- a/sdk/api/handlers/handlers.go
+++ b/sdk/api/handlers/handlers.go
@@ -211,8 +211,6 @@ func requestExecutionMetadata(ctx context.Context) map[string]any {
 	if executionSessionID := executionSessionIDFromContext(ctx); executionSessionID != "" {
 		meta[coreexecutor.ExecutionSessionMetadataKey] = executionSessionID
 		meta[authAffinityMetadataKey] = executionSessionID
-	} else if explicitIdempotencyKey != "" {
-		meta[authAffinityMetadataKey] = explicitIdempotencyKey
 	} else if ctx != nil {
 		if ginCtx, ok := ctx.Value("gin").(*gin.Context); ok && ginCtx != nil {
 			if apiKey, exists := ginCtx.Get("apiKey"); exists && apiKey != nil {
diff --git a/sdk/cliproxy/auth/conductor.go b/sdk/cliproxy/auth/conductor.go
index 6ef13baa..147b0ece 100644
--- a/sdk/cliproxy/auth/conductor.go
+++ b/sdk/cliproxy/auth/conductor.go
@@ -2277,7 +2277,7 @@ func (m *Manager) persistAuthAffinity(entry *log.Entry, opts cliproxyexecutor.Op
 	if affinityKey := authAffinityKeyFromMetadata(opts.Metadata); affinityKey != "" {
 		m.SetAuthAffinity(affinityKey, authID)
 		if entry != nil && log.IsLevelEnabled(log.DebugLevel) {
-			entry.Debugf("auth affinity pinned key=%s auth_id=%s provider=%s model=%s", affinityKey, authID, provider, model)
+			entry.Debugf("auth affinity pinned auth_id=%s provider=%s model=%s", authID, provider, model)
 		}
 	}
 }