diff --git a/src/dict.cpp b/src/dict.cpp
index 7a05ed062..f25eff002 100644
--- a/src/dict.cpp
+++ b/src/dict.cpp
@@ -201,8 +201,6 @@ int dictMerge(dict *dst, dict *src)
         std::swap(dst->iterators, src->iterators);
     }
 
-    src->rehashidx = -1;
-
     if (!dictIsRehashing(dst) && !dictIsRehashing(src))
     {
         if (dst->ht[0].size >= src->ht[0].size)