diff --git a/core/linux-aarch64-rc/PKGBUILD b/core/linux-aarch64-rc/PKGBUILD
index e41f231ce..5d0dc457a 100644
--- a/core/linux-aarch64-rc/PKGBUILD
+++ b/core/linux-aarch64-rc/PKGBUILD
@@ -4,7 +4,7 @@
 buildarch=8
 
 _rcver=4.12
-_rcrel=3
+_rcrel=4
 
 pkgbase=linux-aarch64-rc
 _srcname=linux-${_rcver}-rc${_rcrel}
@@ -21,9 +21,9 @@ source=("https://git.kernel.org/torvalds/t/${_srcname}.tar.gz"
         '0001-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch'
         'config'
         'linux.preset')
-md5sums=('c710c22b337704e6e5a575d929e693a0'
+md5sums=('8fa5efa39d93a8fcaf89688cb0cf4400'
          '1d852d09fa6ec38017b3ebe631c02d32'
-         '61a99c9e1316d1bdab63121e45f0d392'
+         '49ff43192e7c5ccea6a3d56afa03d71f'
          '25d8f6983c9a616946848c0e075a949c')
 
 prepare() {
diff --git a/core/linux-aarch64-rc/config b/core/linux-aarch64-rc/config
index 7924da518..7880e6308 100644
--- a/core/linux-aarch64-rc/config
+++ b/core/linux-aarch64-rc/config
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/arm64 4.12.0-rc3-1 Kernel Configuration
+# Linux/arm64 4.12.0-rc4-1 Kernel Configuration
 #
 CONFIG_ARM64=y
 CONFIG_64BIT=y
@@ -167,7 +167,6 @@ CONFIG_RD_LZMA=y
 CONFIG_RD_XZ=y
 CONFIG_RD_LZO=y
 CONFIG_RD_LZ4=y
-CONFIG_INITRAMFS_COMPRESSION=".gz"
 CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y