diff --git a/internal/client/gemini-web/client.go b/internal/client/gemini-web/client.go
index 6005cb5d..c25ef8e9 100644
--- a/internal/client/gemini-web/client.go
+++ b/internal/client/gemini-web/client.go
@@ -772,18 +772,7 @@ func (cs *ChatSession) RCID() string {
 	}
 	return ""
 }
-func (cs *ChatSession) setCID(v string) {
-	if len(cs.metadata) < 1 {
-		cs.metadata = normalizeMeta(cs.metadata)
-	}
-	cs.metadata[0] = v
-}
-func (cs *ChatSession) setRID(v string) {
-	if len(cs.metadata) < 2 {
-		cs.metadata = normalizeMeta(cs.metadata)
-	}
-	cs.metadata[1] = v
-}
+
 func (cs *ChatSession) setRCID(v string) {
 	if len(cs.metadata) < 3 {
 		cs.metadata = normalizeMeta(cs.metadata)
diff --git a/sdk/cliproxy/service.go b/sdk/cliproxy/service.go
index 43fd33f7..cd619041 100644
--- a/sdk/cliproxy/service.go
+++ b/sdk/cliproxy/service.go
@@ -10,7 +10,6 @@ import (
 	"time"
 
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/api"
-	baseauth "github.com/router-for-me/CLIProxyAPI/v6/internal/auth"
 	geminiwebclient "github.com/router-for-me/CLIProxyAPI/v6/internal/client/gemini-web"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/config"
 	"github.com/router-for-me/CLIProxyAPI/v6/internal/registry"
@@ -270,33 +269,6 @@ func (s *Service) ensureAuthDir() error {
 	return nil
 }
 
-func (s *Service) syncCoreAuthFromClients(ctx context.Context, _ map[string]any) { _ = ctx }
-
-func (s *Service) startRefreshLoop() {
-	// legacy refresh loop disabled; core auth manager handles auto refresh
-}
-
-func (s *Service) refreshTokens(ctx context.Context) { _ = ctx /* no-op */ }
-
-func (s *Service) snapshotFileClients() map[string]any { return nil }
-
-// persistClients deprecated: no legacy clients remain
-func (s *Service) persistClients() {}
-
-// refreshCachesFromCombined deprecated: no legacy clients remain
-func (s *Service) refreshCachesFromCombined(_ map[string]any) {}
-
-// combineClients deprecated
-
-func (s *Service) refreshWithManager(ctx context.Context, provider, filePath string, storage baseauth.TokenStorage, metadata map[string]string) {
-	_ = ctx
-	_ = provider
-	_ = filePath
-	_ = storage
-	_ = metadata
-	// legacy file-backed refresh was replaced by core auth manager auto refresh
-}
-
 // syncCoreAuthFromAuths registers or updates core auths and disables missing ones.
 func (s *Service) syncCoreAuthFromAuths(ctx context.Context, auths []*coreauth.Auth) {
 	if s.coreManager == nil {