diff --git a/test-tools/test-deregistration.sh b/test-tools/test-deregistration.sh
new file mode 100755
index 0000000..bf38e3b
--- /dev/null
+++ b/test-tools/test-deregistration.sh
@@ -0,0 +1,162 @@
+#!/bin/bash
+#
+# Copyright 2023 Nordix Foundation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+set -o errexit  # Exit on most errors
+set -o nounset  # Disallow expansion of unset variables
+set -o pipefail # Use last non-zero exit code in a pipeline
+#set -o xtrace   # Uncomment for debugging
+
+GRAB_METRICS=true
+DOCKER_COMPOSE_FILE=../docker-compose/docker-compose.yml
+CREATE_REQUEST=/tmp/cmhandles-create-req.txt
+REMOVE_REQUEST=/tmp/cmhandles-remove-req.txt
+REPORT_FILE=metrics-reports/deregister-summary-$(date --iso-8601=seconds).tsv
+
+stop_docker() {
+    docker-compose -f $DOCKER_COMPOSE_FILE down >/dev/null
+    docker container prune -f >/dev/null
+    docker volume prune -f >/dev/null
+}
+
+restart_docker() {
+    stop_docker
+    docker-compose -f $DOCKER_COMPOSE_FILE --profile dmi-stub --profile monitoring up -d >/dev/null
+}
+
+wait_for_cps_to_start() {
+    docker logs cps-and-ncmp -f | grep -m 1 'Started Application' >/dev/null || true
+}
+
+get_number_of_handles_ready() {
+    PGPASSWORD=cps psql -h localhost -p 5432 cpsdb cps -c \
+        "SELECT count(*) FROM public.fragment where attributes @> '{\"cm-handle-state\": \"READY\"}';" \
+        | sed '3!d' | sed 's/ *//'
+}
+
+wait_for_handles_to_be_ready() {
+    local TOTAL_HANDLES=$1
+    while
+        sleep 30
+        HANDLES_READY=$(get_number_of_handles_ready)
+        echo "There are $HANDLES_READY CM handles in READY state."
+        [ $HANDLES_READY -ne $TOTAL_HANDLES ]
+    do true; done
+}
+
+create_handles() {
+    curl --fail --silent --show-error \
+        --location 'http://localhost:8883/ncmpInventory/v1/ch' \
+        --header 'Authorization: Basic Y3BzdXNlcjpjcHNyMGNrcyE=' \
+        --header 'Content-Type: application/json' \
+        --data @$CREATE_REQUEST
+}
+
+remove_handles_and_record_time() {
+    curl --fail --silent --show-error --output /dev/null --write-out '%{time_total}\n' \
+        --location 'http://localhost:8883/ncmpInventory/v1/ch' \
+        --header 'Authorization: Basic Y3BzdXNlcjpjcHNyMGNrcyE=' \
+        --header 'Content-Type: application/json' \
+        --header 'Cookie: JSESSIONID=node018g80wfn6qfk9yihx8pne7bc31.node0' \
+        --data @$REMOVE_REQUEST >> $REPORT_FILE
+}
+
+create_request_bodies() {
+    local CREATE_SIZE=$1
+    local REMOVE_SIZE=$2
+    echo -n '{"dmiPlugin": "http://ncmp-dmi-plugin-stub:8783","createdCmHandles":[' > $CREATE_REQUEST
+    echo -n '{"dmiPlugin": "http://ncmp-dmi-plugin-stub:8783","removedCmHandles":[' > $REMOVE_REQUEST
+    for i in $(seq 1 $CREATE_SIZE); do
+        local CMHANDLE=$(uuidgen | tr -d '-')
+        echo -n "{\"cmHandle\": \"$CMHANDLE\",\"cmHandleProperties\":{\"neType\":\"RadioNode\"}}" \
+            >> $CREATE_REQUEST
+        if [ $i -lt $CREATE_SIZE ]; then
+            echo -n "," >> $CREATE_REQUEST
+        fi
+        if [ $i -le $REMOVE_SIZE ]; then
+            echo -n "\"$CMHANDLE\"" >> $REMOVE_REQUEST
+        fi
+        if [ $i -lt $REMOVE_SIZE ]; then
+            echo -n "," >> $REMOVE_REQUEST
+        fi
+    done
+    echo ']}' >> $CREATE_REQUEST
+    echo ']}' >> $REMOVE_REQUEST
+}
+
+test_deregistration() {
+    local REMOVE_SIZE=$1
+    local CREATE_SIZE=$2
+
+    echo "Testing deregistration of $REMOVE_SIZE out of $CREATE_SIZE CM handles"
+
+    echo "Restarting docker"
+    restart_docker
+    echo "Waiting for CPS to start"
+    wait_for_cps_to_start
+
+    echo "Creating request bodies"
+    create_request_bodies $CREATE_SIZE $REMOVE_SIZE
+
+    echo "[$(date --iso-8601=seconds)] Creating CM handles"
+    create_handles
+    echo "Waiting for CM handles to be in READY state"
+    wait_for_handles_to_be_ready $CREATE_SIZE
+
+    if [ "$GRAB_METRICS" = "true" ]; then
+        echo "Grabbing metrics before deregistration"
+        METRICS_BEFORE=$(./generate-metrics-report.sh)
+    fi
+
+    echo "[$(date --iso-8601=seconds)] Removing CM handles"
+    echo -e -n "$REMOVE_SIZE\t$CREATE_SIZE\t" >> $REPORT_FILE
+    remove_handles_and_record_time
+    echo "There are $(get_number_of_handles_ready) CM handles still in READY state."
+
+    if [ "$GRAB_METRICS" = "true" ]; then
+        echo "Grabbing metrics after deregistration"
+        METRICS_AFTER=$(./generate-metrics-report.sh)
+        echo "Generating metrics report"
+        ./subtract-metrics-reports.py -a $METRICS_AFTER -b $METRICS_BEFORE \
+            -o metrics-reports/deregister-$(date --iso-8601=seconds)-$REMOVE_SIZE-$CREATE_SIZE.tsv
+        rm $METRICS_BEFORE $METRICS_AFTER
+    fi
+
+    echo
+}
+
+cleanup() {
+    rm -f "$CREATE_REQUEST" "$REMOVE_REQUEST"
+    stop_docker
+}
+trap cleanup EXIT
+
+mkdir -p $(dirname $REPORT_FILE)
+echo -e "Removed\tTotal\tTime" > $REPORT_FILE
+
+# Delete N/N: 100/100, 200/200... 20000/20000
+for number_to_delete in 100 200 300 400 500 600 700 800 900 1000 2000 3000 4000 5000 10000 15000 20000; do
+    test_deregistration $number_to_delete $number_to_delete
+done
+# Delete N/C: 1000/5000, 2000/5000... 5000/5000
+for number_to_delete in 1000 2000 3000 4000 5000; do
+    test_deregistration $number_to_delete 5000
+done
+# Delete C/N: 1000/1000, 1000/2000... 1000/5000
+for total in 1000 2000 3000 4000 5000; do
+    test_deregistration 1000 $total
+done
+