diff --git a/target/linux/archs38/Makefile b/target/linux/archs38/Makefile
index fb00884a9af..42b4edad8a9 100644
--- a/target/linux/archs38/Makefile
+++ b/target/linux/archs38/Makefile
@@ -11,8 +11,7 @@ BOARDNAME:=Synopsys DesignWare ARC HS38
 FEATURES:=source-only
 SUBTARGETS:=generic
 
-KERNEL_PATCHVER:=5.10
-KERNEL_TESTING_PATCHVER:=5.15
+KERNEL_PATCHVER:=5.15
 
 DEVICE_TYPE:=basic