diff --git a/elasticsearch/src/test/java/org/elasticsearch/xpack/watcher/support/search/WatcherSearchTemplateRequestTests.java b/elasticsearch/src/test/java/org/elasticsearch/xpack/watcher/support/search/WatcherSearchTemplateRequestTests.java
index 0af4b38f4c3..a75061bf2c1 100644
--- a/elasticsearch/src/test/java/org/elasticsearch/xpack/watcher/support/search/WatcherSearchTemplateRequestTests.java
+++ b/elasticsearch/src/test/java/org/elasticsearch/xpack/watcher/support/search/WatcherSearchTemplateRequestTests.java
@@ -51,53 +51,4 @@ public class WatcherSearchTemplateRequestTests extends ESTestCase {
             fail("Failed to parse watch search request: " + e.getMessage());
         }
     }
-
-    public void testUpgradeSearchSource() throws IOException {
-        XContentBuilder contentBuilder = jsonBuilder();
-        contentBuilder.startObject();
-        contentBuilder.startObject("body");
-
-        contentBuilder.startObject("query");
-        contentBuilder.startObject("script");
-        contentBuilder.startObject("script");
-        contentBuilder.field("inline", "return true");
-        contentBuilder.endObject();
-        contentBuilder.endObject();
-        contentBuilder.endObject();
-
-        contentBuilder.startObject("aggregations");
-        contentBuilder.startObject("avg_grade");
-        contentBuilder.startObject("avg");
-        contentBuilder.startObject("script");
-        contentBuilder.field("inline", "1 + 1");
-        contentBuilder.endObject();
-        contentBuilder.endObject();
-        contentBuilder.endObject();
-        contentBuilder.startObject("another_avg");
-        contentBuilder.startObject("avg");
-        contentBuilder.startObject("script");
-        contentBuilder.field("inline", "1 + 2");
-        contentBuilder.field("lang", "javascript");
-        contentBuilder.endObject();
-        contentBuilder.endObject();
-        contentBuilder.endObject();
-        contentBuilder.endObject();
-
-        contentBuilder.endObject();
-        contentBuilder.endObject();
-        XContentParser parser = XContentHelper.createParser(contentBuilder.bytes());
-        parser.nextToken();
-
-        SearchRequestParsers searchRequestParsers = new SearchModule(Settings.EMPTY, false, Collections.emptyList())
-                .getSearchRequestParsers();
-        WatcherSearchTemplateRequest result = WatcherSearchTemplateRequest.fromXContent(
-                logger, parser, SearchType.DEFAULT, ParseFieldMatcher.STRICT, searchRequestParsers);
-        Map<String, Object> parsedResult = XContentHelper.convertToMap(result.getSearchSource(), true).v2();
-        // after upgrading the language must be equal to legacy language, because no language was defined explicitly in these scripts:
-        assertThat(XContentMapValues.extractValue("query.script.script.lang", parsedResult), equalTo("your_legacy_lang"));
-        assertThat(XContentMapValues.extractValue("aggregations.avg_grade.avg.script.lang", parsedResult), equalTo("your_legacy_lang"));
-        // after upgrading the language must remain javascript here, because that has been explicitly defined in the script:
-        assertThat(XContentMapValues.extractValue("aggregations.another_avg.avg.script.lang", parsedResult), equalTo("javascript"));
-    }
-
 }