diff --git a/lib/gitlab/metrics/obfuscated_sql.rb b/lib/gitlab/metrics/obfuscated_sql.rb
index 7b15670aa6b940430dc25f62c8139e7df07a3d50..481aca56efba43ebe9ba2ee21c5b73bedd0dbd18 100644
--- a/lib/gitlab/metrics/obfuscated_sql.rb
+++ b/lib/gitlab/metrics/obfuscated_sql.rb
@@ -37,7 +37,7 @@ module Gitlab
         # InfluxDB escapes double quotes upon output, so lets get rid of them
         # whenever we can.
         if Gitlab::Database.postgresql?
-          sql = sql.gsub('"', '')
+          sql = sql.delete('"')
         end
 
         sql