SERVER-42803 Remove unnecessary OperationContext creation logic in the TimestampMonitor

(cherry picked from commit e43a0409e98992d5521749230874eba2d8fe0748)

1 files changed, 2 insertions, 5 deletions

diff --git a/src/mongo/db/storage/storage_engine_impl.cpp b/src/mongo/db/storage/storage_engine_impl.cpp
index 7573e461f3f..9d0ee9792e6 100644
--- a/src/mongo/db/storage/storage_engine_impl.cpp
+++ b/src/mongo/db/storage/storage_engine_impl.cpp
@@ -842,11 +842,8 @@ void StorageEngineImpl::_onMinOfCheckpointAndOldestTimestampChanged(const Timest
             log() << "Removing drop-pending idents with drop timestamps before timestamp "
                   << timestamp;
             auto opCtx = cc().getOperationContext();
-            mongo::ServiceContext::UniqueOperationContext uOpCtx;
-            if (!opCtx) {
-                uOpCtx = cc().makeOperationContext();
-                opCtx = uOpCtx.get();
-            }
+            invariant(opCtx);
+
             _dropPendingIdentReaper.dropIdentsOlderThan(opCtx, timestamp);
         }
     }