diff --git a/src/backend/utils/adt/pg_locale_icu.c b/src/backend/utils/adt/pg_locale_icu.c
index a32c32a0744..ff4541a64f3 100644
--- a/src/backend/utils/adt/pg_locale_icu.c
+++ b/src/backend/utils/adt/pg_locale_icu.c
@@ -375,6 +375,8 @@ make_icu_collator(const char *iculocstr, const char *icurules)
 							iculocstr, icurules, u_errorName(status))));
 		}
 
+		pfree(my_rules);
+		pfree(all_rules);
 		return collator_all_rules;
 	}
 }
@@ -831,6 +833,9 @@ strnxfrm_prefix_icu(char *dest, size_t destsize,
 				(errmsg("sort key generation failed: %s",
 						u_errorName(status))));
 
+	if (buf != sbuf)
+		pfree(buf);
+
 	return result_bsize;
 }