diff --git a/api/cache_service.cc b/api/cache_service.cc
index 17a6dd5897..b589b9b667 100644
--- a/api/cache_service.cc
+++ b/api/cache_service.cc
@@ -12,8 +12,8 @@ namespace cs = httpd::cache_service_json;
 
 void set_cache_service(http_context& ctx, routes& r) {
     cs::get_row_cache_save_period_in_seconds.set(r, [](std::unique_ptr<request> req) {
-        // TBD
-        unimplemented();
+        // We never save the cache
+        // Origin uses 0 for never
         return make_ready_future<json::json_return_type>(0);
     });
 
@@ -25,8 +25,8 @@ void set_cache_service(http_context& ctx, routes& r) {
     });
 
     cs::get_key_cache_save_period_in_seconds.set(r, [](std::unique_ptr<request> req) {
-        // TBD
-        unimplemented();
+        // We never save the cache
+        // Origin uses 0 for never
         return make_ready_future<json::json_return_type>(0);
     });
 
@@ -38,8 +38,8 @@ void set_cache_service(http_context& ctx, routes& r) {
     });
 
     cs::get_counter_cache_save_period_in_seconds.set(r, [](std::unique_ptr<request> req) {
-        // TBD
-        unimplemented();
+        // We never save the cache
+        // Origin uses 0 for never
         return make_ready_future<json::json_return_type>(0);
     });
 
diff --git a/api/column_family.cc b/api/column_family.cc
index 1d375afc49..600d7353d3 100644
--- a/api/column_family.cc
+++ b/api/column_family.cc
@@ -475,7 +475,10 @@ void set_column_family(http_context& ctx, routes& r) {
 
     cf::get_bloom_filter_off_heap_memory_used.set(r, [] (std::unique_ptr<request> req) {
         //TBD
-        unimplemented();
+        // FIXME
+        // We are missing the off heap memory calculation
+        // Return 0 is the wrong value. It's a work around
+        // until the memory calculation will be available
         //auto id = get_uuid(req->param["name"], ctx.db.local());
         return make_ready_future<json::json_return_type>(0);
     });
@@ -488,7 +491,10 @@ void set_column_family(http_context& ctx, routes& r) {
 
     cf::get_index_summary_off_heap_memory_used.set(r, [] (std::unique_ptr<request> req) {
         //TBD
-        unimplemented();
+        // FIXME
+        // We are missing the off heap memory calculation
+        // Return 0 is the wrong value. It's a work around
+        // until the memory calculation will be available
         //auto id = get_uuid(req->param["name"], ctx.db.local());
         return make_ready_future<json::json_return_type>(0);
     });
@@ -501,7 +507,10 @@ void set_column_family(http_context& ctx, routes& r) {
 
     cf::get_compression_metadata_off_heap_memory_used.set(r, [] (std::unique_ptr<request> req) {
         //TBD
-        unimplemented();
+        // FIXME
+        // We are missing the off heap memory calculation
+        // Return 0 is the wrong value. It's a work around
+        // until the memory calculation will be available
         //auto id = get_uuid(req->param["name"], ctx.db.local());
         return make_ready_future<json::json_return_type>(0);
     });