diff --git a/package/ntp/ntp.mk b/package/ntp/ntp.mk
index 5f05508133..93cefa1102 100644
--- a/package/ntp/ntp.mk
+++ b/package/ntp/ntp.mk
@@ -42,7 +42,6 @@ endif
 
 define NTP_PATCH_FIXUPS
 	$(SED) "s,^#if.*__GLIBC__.*_BSD_SOURCE.*$$,#if 0," $(@D)/ntpd/refclock_pcf.c
-	$(SED) '/[[:space:](]rindex[[:space:]]*(/s/[[:space:]]*rindex[[:space:]]*(/ strrchr(/g' $(@D)/ntpd/*.c
 endef
 
 NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTP_KEYGEN) += util/ntp-keygen