diff --git a/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi-rt_4.19.bb b/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi-rt_4.19.bb
index 7a9f083..2d9363f 100644
--- a/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi-rt_4.19.bb
+++ b/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi-rt_4.19.bb
@@ -1,6 +1,6 @@
 LINUX_VERSION ?= "4.19.71"
 LINUX_RPI_BRANCH ?= "rpi-4.19.y-rt"
 
-SRCREV = "1532ea50263c8fd70f769b55e60fbc6a0c5778a0"
+SRCREV = "e2e9cec6fb061ba58304fd391ef76747f2963557"
 
 require linux-raspberrypi_4.19.inc
diff --git a/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi.inc b/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi.inc
index ea7f778..f6e5774 100644
--- a/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi.inc
+++ b/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi.inc
@@ -22,6 +22,8 @@
 KBUILD_DEFCONFIG_raspberrypi4 ?= "bcm2711_defconfig"
 KBUILD_DEFCONFIG_raspberrypi4-64 ?= "bcm2711_defconfig"
 
+LINUX_VERSION_EXTENSION ?= ""
+
 # CMDLINE for raspberrypi
 SERIAL = "${@oe.utils.conditional("ENABLE_UART", "1", "console=serial0,115200", "", d)}"
 CMDLINE ?= "dwc_otg.lpm_enable=0 ${SERIAL} root=/dev/mmcblk0p2 rootfstype=ext4 rootwait"
@@ -98,9 +100,6 @@
     mv -f ${B}/.config ${B}/.config.patched
     CONF_SED_SCRIPT=""
 
-    # Localversion
-    kernel_configure_variable LOCALVERSION "\"\""
-
     if [ "${INITRAMFS_IMAGE_BUNDLE}" = "1" ]; then
         kernel_configure_variable OVERLAY_FS y
         kernel_configure_variable SQUASHFS y
diff --git a/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.19.bb b/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.19.bb
index 45a122d..b891a42 100644
--- a/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.19.bb
+++ b/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.19.bb
@@ -1,6 +1,6 @@
-LINUX_VERSION ?= "4.19.81"
+LINUX_VERSION ?= "4.19.88"
 LINUX_RPI_BRANCH ?= "rpi-4.19.y"
 
-SRCREV = "eef78b714c3fbc635642332a2ce7d66e51f514d9"
+SRCREV = "988cc7beacc150756c3fbe40646afcf8438b741b"
 
 require linux-raspberrypi_4.19.inc