diff --git a/core/linux-armv5-rc/PKGBUILD b/core/linux-armv5-rc/PKGBUILD
index 88b2ae2d7..940179e90 100644
--- a/core/linux-armv5-rc/PKGBUILD
+++ b/core/linux-armv5-rc/PKGBUILD
@@ -4,7 +4,7 @@
 buildarch=2
 
 _rcver=4.12
-_rcrel=3
+_rcrel=4
 
 pkgbase=linux-armv5-rc
 _srcname=linux-${_rcver}-rc${_rcrel}
@@ -22,11 +22,11 @@ source=("https://git.kernel.org/torvalds/t/${_srcname}.tar.gz"
         '0002-at91-ariag25-updates.patch'
         '0003-at91-arietta-g25-support.patch'
         'config')
-md5sums=('c710c22b337704e6e5a575d929e693a0'
+md5sums=('8fa5efa39d93a8fcaf89688cb0cf4400'
          '8effa2a3ad3f2f4383dbc66a19f6f364'
          'cb5aa24e94ee13ae9ac7d2f05431fae6'
          'd735d353b37df63ae975bc262ec39ace'
-         'e2b596c9e38bb46430fdfb64c5bd19c5')
+         'a77316873852a6411a31cca4ea045329')
 
 prepare() {
   cd "${srcdir}/${_srcname}"
diff --git a/core/linux-armv5-rc/config b/core/linux-armv5-rc/config
index 71d6b8a46..e68fa9664 100644
--- a/core/linux-armv5-rc/config
+++ b/core/linux-armv5-rc/config
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/arm 4.12.0-rc3-1 Kernel Configuration
+# Linux/arm 4.12.0-rc4-1 Kernel Configuration
 #
 CONFIG_ARM=y
 CONFIG_ARM_HAS_SG_CHAIN=y
@@ -152,7 +152,6 @@ 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