diff --git a/r6c.config b/r6c.config
index 6ed8f0eec1..3e5bcf5114 100644
--- a/r6c.config
+++ b/r6c.config
@@ -157,7 +157,7 @@ CONFIG_PACKAGE_uhttpd=y
 CONFIG_PACKAGE_unzip=y
 CONFIG_PACKAGE_xtables-nft=y
 CONFIG_PACKAGE_zlib=y
-CONFIG_RUBY_ENABLE_YJIT=y
+# CONFIG_RUBY_ENABLE_YJIT is not set
 CONFIG_TARGET_KERNEL_PARTSIZE=128
 CONFIG_TARGET_ROOTFS_PARTSIZE=512
 # CONFIG_PACKAGE_kmod-inet-diag is not set
diff --git a/target/linux/rockchip/armv8/config-6.6 b/target/linux/rockchip/armv8/config-6.6
index 76f39935d3..c753d90848 100644
--- a/target/linux/rockchip/armv8/config-6.6
+++ b/target/linux/rockchip/armv8/config-6.6
@@ -746,4 +746,4 @@ CONFIG_ZLIB_INFLATE=y
 CONFIG_ZONE_DMA32=y
 CONFIG_FUSE_FS=m
 CONFIG_TCP_CONG_BBR=y
-CONFIG_DEFAULT_TCP_CONG="bbr"
+CONFIG_DEFAULT_TCP_CONG=bbr