diff --git a/dom/indexedDB/ActorsParent.cpp b/dom/indexedDB/ActorsParent.cpp
--- a/dom/indexedDB/ActorsParent.cpp
+++ b/dom/indexedDB/ActorsParent.cpp
@@ -24311,9 +24311,9 @@
   // if we allow overwrite or not. By not allowing overwrite we raise
   // detectable errors rather than corrupting data.
   DatabaseConnection::CachedStatement stmt;
-  const auto& optReplaceDirective = (!mOverwrite || keyUnset)
-                                        ? NS_LITERAL_CSTRING("")
-                                        : NS_LITERAL_CSTRING("OR REPLACE ");
+  const auto optReplaceDirective = (!mOverwrite || keyUnset)
+                                       ? NS_LITERAL_CSTRING("")
+                                       : NS_LITERAL_CSTRING("OR REPLACE ");
   rv = aConnection->GetCachedStatement(
       NS_LITERAL_CSTRING("INSERT ") + optReplaceDirective +
           NS_LITERAL_CSTRING("INTO object_data "
@@ -25869,7 +25869,7 @@
     }
   }
 
-  const auto& comparisonChar =
+  const auto comparisonChar =
       isIncreasingOrder ? NS_LITERAL_CSTRING(">") : NS_LITERAL_CSTRING("<");
 
   mCursor->mContinueToQuery =
@@ -26076,9 +26076,9 @@
 
   const bool usingKeyRange = mOptionalKeyRange.isSome();
 
-  const auto& indexTable = mCursor->mUniqueIndex
-                               ? NS_LITERAL_CSTRING("unique_index_data")
-                               : NS_LITERAL_CSTRING("index_data");
+  const auto indexTable = mCursor->mUniqueIndex
+                              ? NS_LITERAL_CSTRING("unique_index_data")
+                              : NS_LITERAL_CSTRING("index_data");
 
   NS_NAMED_LITERAL_CSTRING(sortColumn, "sort_column");
 
@@ -26198,9 +26198,9 @@
 
   const bool usingKeyRange = mOptionalKeyRange.isSome();
 
-  const auto& table = mCursor->mUniqueIndex
-                          ? NS_LITERAL_CSTRING("unique_index_data")
-                          : NS_LITERAL_CSTRING("index_data");
+  const auto table = mCursor->mUniqueIndex
+                         ? NS_LITERAL_CSTRING("unique_index_data")
+                         : NS_LITERAL_CSTRING("index_data");
 
   NS_NAMED_LITERAL_CSTRING(sortColumn, "sort_column");