SERVER-27510 remove chunk version check in moveChunk and splitChunk

1 files changed, 0 insertions, 13 deletions

diff --git a/src/mongo/db/s/split_chunk_command.cpp b/src/mongo/db/s/split_chunk_command.cpp
index 71d29ff6096..756550572a4 100644
--- a/src/mongo/db/s/split_chunk_command.cpp
+++ b/src/mongo/db/s/split_chunk_command.cpp
@@ -202,15 +202,6 @@ public:
         const BSONObj min = chunkRange.getMin();
         const BSONObj max = chunkRange.getMax();
 
-        boost::optional<ChunkVersion> expectedChunkVersion;
-        auto statusWithChunkVersion =
-            ChunkVersion::parseFromBSONWithFieldForCommands(cmdObj, kChunkVersion);
-        if (statusWithChunkVersion.isOK()) {
-            expectedChunkVersion = std::move(statusWithChunkVersion.getValue());
-        } else if (statusWithChunkVersion != ErrorCodes::NoSuchKey) {
-            uassertStatusOK(statusWithChunkVersion);
-        }
-
         vector<BSONObj> splitKeys;
         {
             BSONElement splitKeysElem;
@@ -329,10 +320,6 @@ public:
             ChunkType chunkToMove;
             chunkToMove.setMin(min);
             chunkToMove.setMax(max);
-            if (expectedChunkVersion) {
-                chunkToMove.setVersion(*expectedChunkVersion);
-            }
-
             uassertStatusOK(collMetadata->checkChunkIsValid(chunkToMove));
         }