diff --git a/lib/waterline/utils/system/transformer-builder.js b/lib/waterline/utils/system/transformer-builder.js
index fae7d3e7e..6f7247a57 100644
--- a/lib/waterline/utils/system/transformer-builder.js
+++ b/lib/waterline/utils/system/transformer-builder.js
@@ -194,37 +194,22 @@ Transformation.prototype.serializeValues = function(values) {
 
 Transformation.prototype.unserialize = function(pRecord) {
 
-  // Get the database columns that we'll be transforming into attribute names.
-  var colsToTransform = _.values(this._transformations);
-
-  // Shallow clone the physical record, so that we don't lose any values in cases
-  // where one attribute's name conflicts with another attribute's `columnName`.
-  // (see https://github.com/balderdashy/sails/issues/4079)
-  var copyOfPhysicalRecord = _.clone(pRecord);
-
-  // Remove the values from the pRecord that are set for the columns we're
-  // going to transform.  This ensures that the `columnName` and the
-  // attribute name don't both appear as properties in the final record
-  // (unless there's a conflict as described above).
-  _.each(_.keys(pRecord), function(key) {
-    if (_.contains(colsToTransform, key)) {
-      delete pRecord[key];
-    }
-  });
+  // Only unserialize fields of the pRecord that are in the _transformations
+  var unserializedRecord = {};
 
   // Loop through the keys to transform of this record and reattach them.
   _.each(this._transformations, function(columnName, attrName) {
 
     // If there's no value set for this column name, continue.
-    if (!_.has(copyOfPhysicalRecord, columnName)) {
+    if (!_.has(pRecord, columnName)) {
       return;
     }
 
-    // Otherwise get the value from the cloned record.
-    pRecord[attrName] = copyOfPhysicalRecord[columnName];
+    // Otherwise get the value from the  pRecord.
+    unserializedRecord[attrName] = pRecord[columnName];
 
   });
 
-  // Return the original, mutated record.
-  return pRecord;
+  // Return the new unserialized record.
+  return unserializedRecord;
 };