diff --git a/src/main/java/org/prebid/cache/config/MetricsConfig.java b/src/main/java/org/prebid/cache/config/MetricsConfig.java
index 9c707c1..b066272 100644
--- a/src/main/java/org/prebid/cache/config/MetricsConfig.java
+++ b/src/main/java/org/prebid/cache/config/MetricsConfig.java
@@ -21,7 +21,6 @@ MeterRegistryCustomizer<MeterRegistry> graphiteMeterCustomizer(
             if (StringUtils.isNotBlank(prefix)) {
                 registry.config().commonTags("prefix", prefix);
             }
-            // To preserve old metric names
             registry.config().namingConvention(NamingConvention.identity);
         };
     }