diff --git a/src/wrappers/mysql.nim b/src/wrappers/mysql.nim
index 4464eae508..06c663822e 100644
--- a/src/wrappers/mysql.nim
+++ b/src/wrappers/mysql.nim
@@ -7,7 +7,7 @@
 #    distribution, for details about the copyright.
 #
 
-{.deadCodeElim: on.}
+{.deadCodeElim: on.}  # dce option deprecated
 {.push, callconv: cdecl.}
 
 when defined(Unix):