1 files changed, 6 insertions, 11 deletions
diff --git a/src/mongo/db/update/object_replace_executor.cpp b/src/mongo/db/update/object_replace_executor.cpp
index 205b270a8ca..e2d9262e001 100644
--- a/src/mongo/db/update/object_replace_executor.cpp
+++ b/src/mongo/db/update/object_replace_executor.cpp
@@ -45,24 +45,19 @@ namespace {
 constexpr StringData kIdFieldName = "_id"_sd;
 }  // namespace
 
-ObjectReplaceExecutor::ObjectReplaceExecutor(BSONObj replacement, bool bypassEmptyTsReplacement)
-    : _replacementDoc(replacement.getOwned()),
-      _containsId(false),
-      _bypassEmptyTsReplacement(bypassEmptyTsReplacement) {
-    // Check for the existence of the "_id" field, and if approrpriate replace all zero-valued
-    // timestamps with the current time.
+ObjectReplaceExecutor::ObjectReplaceExecutor(BSONObj replacement)
+    : _replacementDoc(replacement.getOwned()), _containsId(false) {
+
+    // Replace all zero-valued timestamps with the current time and check for the existence of _id.
     for (auto&& elem : _replacementDoc) {
+
         // Do not change the _id field.
         if (elem.fieldNameStringData() == kIdFieldName) {
             _containsId = true;
             continue;
         }
 
-        // For updates that originated from the oplog, we're required to apply the update
-        // exactly as it was recorded (even if it contains zero-valued timestamps). Therefore,
-        // we should only replace zero-valued timestamps with the current time when
-        // '_bypassEmptyTsReplacement' is false.
-        if (!_bypassEmptyTsReplacement && elem.type() == BSONType::bsonTimestamp) {
+        if (elem.type() == BSONType::bsonTimestamp) {
             auto timestampView = DataView(const_cast<char*>(elem.value()));
 
             // We don't need to do an endian-safe read here, because 0 is 0 either way.