diff --git a/modal_proto/api.proto b/modal_proto/api.proto
index 2fc0a6020..2e95a92f1 100644
--- a/modal_proto/api.proto
+++ b/modal_proto/api.proto
@@ -87,9 +87,7 @@ enum CloudProvider {
   CLOUD_PROVIDER_GCP = 2;
   CLOUD_PROVIDER_AUTO = 3;
   CLOUD_PROVIDER_OCI = 4;
-  CLOUD_PROVIDER_LAMBDA_LABS = 5;
-  CLOUD_PROVIDER_FLUIDSTACK = 6;  // experimental
-  CLOUD_PROVIDER_LATITUDE = 7;  // experimental
+  reserved 5, 6, 7; // now unused internal experimental values
 }
 
 enum DNSRecordType {