From d63dc3a3216c909e6bf938c5ee6e0fafc4e3a776 Mon Sep 17 00:00:00 2001
From: Robert Schmidt <robert.schmidt@openairinterface.org>
Date: Tue, 7 Apr 2026 15:02:50 +0200
Subject: [PATCH] Remove build_oai --clean-kernel option

This option is potentially dangerous as it might override custom user
options.

Signed-off-by: Robert Schmidt <robert.schmidt@openairinterface.org>
---
 cmake_targets/build_oai          |  4 ----
 cmake_targets/tools/build_helper | 20 --------------------
 2 files changed, 24 deletions(-)

diff --git a/cmake_targets/build_oai b/cmake_targets/build_oai
index de6caba969..ca387cda32 100755
--- a/cmake_targets/build_oai
+++ b/cmake_targets/build_oai
@@ -133,10 +133,6 @@ function main() {
        -c | --clean | -C | --clean-all)
             CLEAN=1
             shift;;
-       --clean-kernel)
-            clean_kernel
-            echo_info "Erased iptables config and removed modules from kernel"
-            shift;;
        --cmake-opt)
             CMAKE_CMD="$CMAKE_CMD $2"
             shift 2;;
diff --git a/cmake_targets/tools/build_helper b/cmake_targets/tools/build_helper
index 37cccec18f..2a18a0524e 100755
--- a/cmake_targets/tools/build_helper
+++ b/cmake_targets/tools/build_helper
@@ -120,26 +120,6 @@ handler_EXIT() {
 
 trap handler_EXIT EXIT
 
-###########################
-# Cleaners
-###########################
-
-clean_kernel() {
-    $SUDO modprobe ip_tables
-    $SUDO modprobe x_tables
-    $SUDO iptables -P INPUT ACCEPT
-    $SUDO iptables -F INPUT
-    $SUDO iptables -P OUTPUT ACCEPT
-    $SUDO iptables -F OUTPUT
-    $SUDO iptables -P FORWARD ACCEPT
-    $SUDO iptables -F FORWARD
-    $SUDO iptables -t nat -F
-    $SUDO iptables -t mangle -F
-    $SUDO iptables -t filter -F
-    $SUDO iptables -t raw -F
-    echo_info "Flushed iptables"
-}
-
 ############################################
 # External packages installers
 ############################################