diff --git a/src/BE/Program.cs b/src/BE/Program.cs
index a90bc8fd..3f68a32d 100644
--- a/src/BE/Program.cs
+++ b/src/BE/Program.cs
@@ -47,7 +47,6 @@ public static async Task Main(string[] args)
         builder.Services.AddScoped<JwtKeyManager>();
         builder.Services.AddScoped<SessionManager>();
         builder.Services.AddScoped<UserModelManager>();
-        builder.Services.AddSingleton<OpenAIApiKeySessionCache>();
         builder.Services.AddScoped<OpenAIApiKeySessionManager>();
         builder.Services.AddSingleton<HostUrlService>();
         builder.Services.AddSingleton<ChatFactory>();