diff --git a/target/linux/bcm27xx/bcm2708/config-5.15 b/target/linux/bcm27xx/bcm2708/config-5.15
index fc6e1eaac07..bd507298568 100644
--- a/target/linux/bcm27xx/bcm2708/config-5.15
+++ b/target/linux/bcm27xx/bcm2708/config-5.15
@@ -256,7 +256,6 @@ CONFIG_NO_HZ=y
 CONFIG_NO_HZ_COMMON=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_NVMEM=y
-CONFIG_OABI_COMPAT=y
 CONFIG_OF=y
 CONFIG_OF_ADDRESS=y
 CONFIG_OF_CONFIGFS=y
diff --git a/target/linux/bcm27xx/bcm2709/config-5.15 b/target/linux/bcm27xx/bcm2709/config-5.15
index df02b090057..82d91f3024f 100644
--- a/target/linux/bcm27xx/bcm2709/config-5.15
+++ b/target/linux/bcm27xx/bcm2709/config-5.15
@@ -320,7 +320,6 @@ CONFIG_NO_HZ_COMMON=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_NR_CPUS=4
 CONFIG_NVMEM=y
-CONFIG_OABI_COMPAT=y
 CONFIG_OF=y
 CONFIG_OF_ADDRESS=y
 CONFIG_OF_CONFIGFS=y