diff --git a/target/linux/realtek/Makefile b/target/linux/realtek/Makefile
index 673997f5508..2614b148c4d 100644
--- a/target/linux/realtek/Makefile
+++ b/target/linux/realtek/Makefile
@@ -9,8 +9,7 @@ DEVICE_TYPE:=basic
 FEATURES:=ramdisk squashfs
 SUBTARGETS:=rtl838x rtl839x rtl930x rtl931x
 
-KERNEL_PATCHVER:=5.15
-KERNEL_TESTING_PATCHVER:=6.6
+KERNEL_PATCHVER:=6.6
 
 define Target/Description
 	Build firmware images for Realtek RTL83xx based boards.