diff --git a/meta-digi-arm/recipes-kernel/perf/perf.bbappend b/meta-digi-arm/recipes-kernel/perf/perf.bbappend
deleted file mode 100644
index edc6ce10e..000000000
--- a/meta-digi-arm/recipes-kernel/perf/perf.bbappend
+++ /dev/null
@@ -1,13 +0,0 @@
-# Drop the poky hardknott commit 6bb1621815f41fd09c971a0e26fb4bcd0963ab8a
-#   As the script cannot handle the element MetricName
-
-base_do_configure:prepend () {
-    # Drop the feature for sort pmu-event
-    if [ -e "${S}/tools/perf/pmu-events/Build" ]; then
-        replacement1='$(srctree)/sort-pmuevents.py $(OUTPUT)pmu-events/pmu-events.c $(OUTPUT)pmu-events/pmu-events.c.new'
-        replacement2='cp $(OUTPUT)pmu-events/pmu-events.c.new $(OUTPUT)pmu-events/pmu-events.c'
-        sed -i -e "s,$replacement1,,g" "${S}/tools/perf/pmu-events/Build"
-        sed -i -e "s,$replacement2,,g" "${S}/tools/perf/pmu-events/Build"
-    fi
-    # End of drop the feature for sort pmu-event
-}