diff --git a/kpatch-build/kpatch-build b/kpatch-build/kpatch-build
index 4ac684493604459bc2f5f4303e5c5e1e47430431..086d28b52d997cd6db9cc00e16f75b3acfc4c9b7 100755
--- a/kpatch-build/kpatch-build
+++ b/kpatch-build/kpatch-build
@@ -294,12 +294,6 @@ kernel_version_from_config() {
     fi
 }
 
-kernel_version_from_config() {
-    if [[ -f "$CONFIGFILE" ]]; then
-       sed -n '/Kernel Configuration/p' "$CONFIGFILE" | cut -d ' ' -f 3
-    fi
-}
-
 gcc_version_check() {
 	local target="$1"
 	local c="$TEMPDIR/test.c" o="$TEMPDIR/test.o"