diff --git a/internal/agent/agent.go b/internal/agent/agent.go
index 15aa1c0a840e8aafd2feced6bd4bb580e17be5f8..d5b0ed5f1cf4333922ef65c6e0a0fafcf92710a2 100644
--- a/internal/agent/agent.go
+++ b/internal/agent/agent.go
@@ -858,7 +858,7 @@ func (a *sessionAgent) generateTitle(ctx context.Context, sessionID string, user
 	}
 
 	promptTokens := resp.TotalUsage.InputTokens + resp.TotalUsage.CacheCreationTokens
-	completionTokens := resp.TotalUsage.OutputTokens + resp.TotalUsage.CacheReadTokens
+	completionTokens := resp.TotalUsage.OutputTokens
 
 	// Atomically update only title and usage fields to avoid overriding other
 	// concurrent session updates.
@@ -897,7 +897,7 @@ func (a *sessionAgent) updateSessionUsage(model Model, session *session.Session,
 		session.Cost += cost
 	}
 
-	session.CompletionTokens = usage.OutputTokens + usage.CacheReadTokens
+	session.CompletionTokens = usage.OutputTokens
 	session.PromptTokens = usage.InputTokens + usage.CacheCreationTokens
 }