diff --git a/build_helper/build_helper_configs.py b/build_helper/build_helper_configs.py
index d7040c8..bd124e0 100755
--- a/build_helper/build_helper_configs.py
+++ b/build_helper/build_helper_configs.py
@@ -141,43 +141,29 @@
                                           "bin/tfm_s_signed.bin "
                                           "image_signing/scripts/tfm_ns_signed.bin ;"
                                           "popd"),
-#                   "nxp/lpcxpresso55s69": ("echo 'LPCXpresso55S69 board post process\n'; "
-#                                           "python3 -m pip install --upgrade pip; "
-#                                           "pip install libusb; "   # this should not go here, remove after test
-#                                           "pyocd list; "
-#                                           "lsusb -v; "
-#                                           "pyocd erase --mass -t lpc55s69 --no-wait; "
-#                                           "if [ -f \"%(ci_build_root_dir)s/spe/bin/bl2.hex\" ]; then "
-#                                           "pyocd flash %(ci_build_root_dir)s/spe/bin/bl2.hex -t lpc55s69 --no-wait; "
-#                                           "pyocd flash %(ci_build_root_dir)s/nspe/bin/tfm_s_ns_signed.bin --base-address 0x8000 -t lpc55s69 --no-wait; "
-#                                           "else "
-#                                           "pyocd flash %(ci_build_root_dir)s/spe/bin/tfm_s.hex %(ci_build_root_dir)s/nspe/bin/tfm_ns.hex -t lpc55s69 --no-wait; "
-#                                           "fi;"),
-#                   "nxp/lpcxpresso55s69": ("echo 'LPCXpresso55S69 bo.ard post process\n';"
-#                                            "if [ -f \"%(ci_build_root_dir)s/spe/bin/bl2.hex\" ]; then FLASH_FILE='flash_bl2_JLink.py'; else FLASH_FILE='flash_JLink.py'; fi;"
-#                                            "mkdir -p %(codebase_root_dir)s/build/bin ;"
-#                                            # Workaround for flash_JLink.py
-#                                            "cp %(ci_build_root_dir)s/spe/bin/tfm_s.hex %(codebase_root_dir)s/build/bin ;"
-#                                            "cp %(ci_build_root_dir)s/nspe/bin/tfm_ns.hex %(codebase_root_dir)s/build/bin ;"
-#                                            "pushd %(codebase_root_dir)s/platform/ext/target/nxp/lpcxpresso55s69/scripts;"
-#                                            "LN=$(grep -n 'JLinkExe' ${FLASH_FILE}|awk -F: '{print $1}');"
-#                                            "sed -i \"${LN}s/.*/    print('flash.jlink generated')/\" ${FLASH_FILE};"
-#                                            "python3 ./${FLASH_FILE};"
-#                                            "cd %(codebase_root_dir)s/build/bin;"
-#                                            "BIN_FILES=$(grep loadfile flash.jlink | awk '{print $2}');"
-#                                            "tar jcf lpcxpresso55s69-tfm.tar.bz2 flash.jlink ${BIN_FILES};"
-#                                            "mv lpcxpresso55s69-tfm.tar.bz2 %(ci_build_root_dir)s/nspe/bin ;"
-#                                            "popd"),
                    "nxp/lpcxpresso55s69": ("echo 'LPCXpresso55S69 bo.ard post process\n';"
                                            "mkdir -p %(codebase_root_dir)s/build/bin ;"
                                            # Workaround for flash_JLink.py
                                            "cp %(ci_build_root_dir)s/spe/bin/tfm_s.hex %(codebase_root_dir)s/build/bin ;"
                                            "cp %(ci_build_root_dir)s/nspe/bin/tfm_ns.hex %(codebase_root_dir)s/build/bin ;"
-                                           "cd %(codebase_root_dir)s/build/bin;"
+                                           "cd %(codebase_root_dir)s/build/bin; "
+                                           "rm -f flash.jlink; "
                                            "if [ -f \"%(ci_build_root_dir)s/spe/bin/bl2.hex\" ]; then "
-                                           "echo r >> flash.jlink; echo erase >> flash.jlink; echo loadfile bl2.hex >> flash.jlink; echo loadfile tfm_s_ns_signed.bin -0x8000 >> flash.jlink; echo r >> flash.jlink; echo go >> flash.jlink; echo exit >> flash.jlink; "
+                                           "echo r >> flash.jlink; "
+                                           "echo erase >> flash.jlink; "
+                                           "echo loadfile bl2.hex >> flash.jlink; "
+                                           "echo loadfile tfm_s_ns_signed.bin -0x8000 >> flash.jlink; "
+                                           "echo r >> flash.jlink; "
+                                           "echo go >> flash.jlink; "
+                                           "echo exit >> flash.jlink; "
                                            "else "
-                                           "echo r >> flash.jlink; echo erase >> flash.jlink; echo loadfile tfm_s.hex >> flash.jlink; echo loadfile tfm_ns.hex >> flash.jlink; echo r >> flash.jlink; echo go >> flash.jlink; echo exit >> flash.jlink; "
+                                           "echo r >> flash.jlink; "
+                                           "echo erase >> flash.jlink; "
+                                           "echo loadfile tfm_s.hex >> flash.jlink; "
+                                           "echo loadfile tfm_ns.hex >> flash.jlink; "
+                                           "echo r >> flash.jlink; "
+                                           "echo go >> flash.jlink; "
+                                           "echo exit >> flash.jlink; "
                                            "fi;"
                                            "BIN_FILES=$(grep loadfile flash.jlink | awk '{print $2}');"
                                            "tar jcf lpcxpresso55s69-tfm.tar.bz2 flash.jlink ${BIN_FILES};"