diff --git a/Makefile b/Makefile
index 01c8a6fff..abcd6c1a4 100644
--- a/Makefile
+++ b/Makefile
@@ -107,7 +107,7 @@ generate-btf: KERNEL_VERSION?=5.19
 generate-btf:
 	$(eval TMP := $(shell mktemp -d))
 	curl -fL "$(CI_KERNEL_URL)/linux-$(KERNEL_VERSION).bz" -o "$(TMP)/bzImage"
-	./testdata/extract-vmlinux "$(TMP)/bzImage" > "$(TMP)/vmlinux"
+	/lib/modules/$(uname -r)/build/scripts/extract-vmlinux "$(TMP)/bzImage" > "$(TMP)/vmlinux"
 	$(OBJCOPY) --dump-section .BTF=/dev/stdout "$(TMP)/vmlinux" /dev/null | gzip > "btf/testdata/vmlinux.btf.gz"
 	curl -fL "$(CI_KERNEL_URL)/linux-$(KERNEL_VERSION)-selftests-bpf.tgz" -o "$(TMP)/selftests.tgz"
 	tar -xf "$(TMP)/selftests.tgz" --to-stdout tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.ko | \
diff --git a/testdata/extract-vmlinux b/testdata/extract-vmlinux
deleted file mode 100755
index 8995cd304..000000000
--- a/testdata/extract-vmlinux
+++ /dev/null
@@ -1,64 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0-only
-# ----------------------------------------------------------------------
-# extract-vmlinux - Extract uncompressed vmlinux from a kernel image
-#
-# Inspired from extract-ikconfig
-# (c) 2009,2010 Dick Streefland <dick@streefland.net>
-#
-# (c) 2011      Corentin Chary <corentin.chary@gmail.com>
-#
-# ----------------------------------------------------------------------
-
-check_vmlinux()
-{
-	# Use readelf to check if it's a valid ELF
-	# TODO: find a better to way to check that it's really vmlinux
-	#       and not just an elf
-	readelf -h $1 > /dev/null 2>&1 || return 1
-
-	cat $1
-	exit 0
-}
-
-try_decompress()
-{
-	# The obscure use of the "tr" filter is to work around older versions of
-	# "grep" that report the byte offset of the line instead of the pattern.
-
-	# Try to find the header ($1) and decompress from here
-	for	pos in `tr "$1\n$2" "\n$2=" < "$img" | grep -abo "^$2"`
-	do
-		pos=${pos%%:*}
-		tail -c+$pos "$img" | $3 > $tmp 2> /dev/null
-		check_vmlinux $tmp
-	done
-}
-
-# Check invocation:
-me=${0##*/}
-img=$1
-if	[ $# -ne 1 -o ! -s "$img" ]
-then
-	echo "Usage: $me <kernel-image>" >&2
-	exit 2
-fi
-
-# Prepare temp files:
-tmp=$(mktemp /tmp/vmlinux-XXX)
-trap "rm -f $tmp" 0
-
-# That didn't work, so retry after decompression.
-try_decompress '\037\213\010' xy    gunzip
-try_decompress '\3757zXZ\000' abcde unxz
-try_decompress 'BZh'          xy    bunzip2
-try_decompress '\135\0\0\0'   xxx   unlzma
-try_decompress '\211\114\132' xy    'lzop -d'
-try_decompress '\002!L\030'   xxx   'lz4 -d'
-try_decompress '(\265/\375'   xxx   unzstd
-
-# Finally check for uncompressed images or objects:
-check_vmlinux $img
-
-# Bail out:
-echo "$me: Cannot find vmlinux." >&2