1 files changed, 0 insertions, 55 deletions
diff --git a/jstests/sharding/mr_single_reduce_split.js b/jstests/sharding/mr_single_reduce_split.js
deleted file mode 100644
index 1a6d20f0e1f..00000000000
--- a/jstests/sharding/mr_single_reduce_split.js
+++ /dev/null
@@ -1,55 +0,0 @@
-/**
- * This jstest verifies that the mrEnableSingleReduceOptimization flag works properly in a sharded
- * cluster when there are documents on multiple chunks that need to be merged.
- * @tags: [
- *  backport_required_multiversion,
- * ]
- */
-(function() {
-const st = new ShardingTest({
-    shards: 2,
-    mongos: 1,
-    other: {
-        mongosOptions: {setParameter: {mrEnableSingleReduceOptimization: true}},
-        shardOptions: {setParameter: {mrEnableSingleReduceOptimization: true}},
-    }
-});
-
-const mongosDB = st.s0.getDB(jsTestName());
-const mongosColl = mongosDB[jsTestName()];
-
-assert.commandWorked(mongosDB.dropDatabase());
-assert.commandWorked(mongosDB.adminCommand({enableSharding: mongosDB.getName()}));
-st.ensurePrimaryShard(mongosDB.getName(), st.shard0.shardName);
-
-assert.commandWorked(
-    mongosDB.adminCommand({shardCollection: mongosColl.getFullName(), key: {_id: 1}}));
-
-// Split the collection into 2 chunks: [minKey, 0) and [0, maxKey].
-assert.commandWorked(mongosDB.adminCommand({split: mongosColl.getFullName(), middle: {_id: 0}}));
-
-// Move the [0, MaxKey) chunk to the second shard.
-assert.commandWorked(mongosDB.adminCommand(
-    {moveChunk: mongosColl.getFullName(), find: {_id: 50}, to: st.shard1.shardName}));
-
-assert.commandWorked(mongosColl.insert({_id: -1}));
-const map = function() {
-    emit(0, {val: "mapped value"});
-};
-
-const reduce = function(key, values) {
-    return {val: "reduced value"};
-};
-
-let res = assert.commandWorked(mongosDB.runCommand(
-    {mapReduce: mongosColl.getName(), map: map, reduce: reduce, out: {inline: 1}}));
-assert.eq(res.results[0], {_id: 0, value: {val: "mapped value"}});
-
-assert.commandWorked(mongosColl.insert({_id: 1}));
-
-res = assert.commandWorked(mongosDB.runCommand(
-    {mapReduce: mongosColl.getName(), map: map, reduce: reduce, out: {inline: 1}}));
-assert.eq(res.results[0], {_id: 0, value: {val: "reduced value"}});
-
-st.stop();
-}());