diff --git a/target/linux/realtek/Makefile b/target/linux/realtek/Makefile
index 94280f43e5..cd86bdc11e 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:=5.10
-KERNEL_TESTING_PATCHVER:=5.15
+KERNEL_PATCHVER:=5.15
 
 define Target/Description
 	Build firmware images for Realtek RTL83xx based boards.