diff --git a/src/backend/distributed/deparser/ruleutils_14.c b/src/backend/distributed/deparser/ruleutils_14.c
index b6bbff803..071ed0722 100644
--- a/src/backend/distributed/deparser/ruleutils_14.c
+++ b/src/backend/distributed/deparser/ruleutils_14.c
@@ -630,11 +630,6 @@ set_rtable_names(deparse_namespace *dpns, List *parent_namespaces,
 					hentry->counter++;
 					for (;;)
 					{
-						/*
-						 * We avoid using %.*s here because it can misbehave
-						 * if the data is not valid in what libc thinks is the
-						 * prevailing encoding.
-						 */
 						memcpy(modname, refname, refnamelen);
 						sprintf(modname + refnamelen, "_%d", hentry->counter);
 						if (strlen(modname) < NAMEDATALEN)
@@ -1492,11 +1487,6 @@ make_colname_unique(char *colname, deparse_namespace *dpns,
 			i++;
 			for (;;)
 			{
-				/*
-				 * We avoid using %.*s here because it can misbehave if the
-				 * data is not valid in what libc thinks is the prevailing
-				 * encoding.
-				 */
 				memcpy(modname, colname, colnamelen);
 				sprintf(modname + colnamelen, "_%d", i);
 				if (strlen(modname) < NAMEDATALEN)