diff --git a/osbenchmark/resources/custom-test-procedures.json.j2 b/osbenchmark/resources/custom-test-procedures.json.j2
index a0a6c070e..8e273ea9c 100644
--- a/osbenchmark/resources/custom-test-procedures.json.j2
+++ b/osbenchmark/resources/custom-test-procedures.json.j2
@@ -23,8 +23,7 @@
     },
     {
       "operation": "index-append",
-      "warmup-time-period": 120,{% raw -%}
-      "clients": {{bulk_indexing_clients}},
+      {% raw -%}"clients": {{bulk_indexing_clients}},
       "ignore-response-error-level": "{{error_level}}"{% endraw -%}
     },
     {
diff --git a/osbenchmark/resources/default-test-procedures.json.j2 b/osbenchmark/resources/default-test-procedures.json.j2
index 59cc1ead8..1eaf9e83c 100644
--- a/osbenchmark/resources/default-test-procedures.json.j2
+++ b/osbenchmark/resources/default-test-procedures.json.j2
@@ -25,7 +25,6 @@
     },{% endraw -%}
     {
       "operation": "index-append",
-      "warmup-time-period": 120,
       {% raw -%} "clients": {{bulk_indexing_clients | default(8)}},{% endraw -%}
       {% raw -%}"ignore-response-error-level": "{{error_level | default('non-fatal')}}"{% endraw -%}
     },