diff --git a/shards/requirements.txt b/shards/requirements.txt
index 4ea03e0b17..426ee0b704 100644
--- a/shards/requirements.txt
+++ b/shards/requirements.txt
@@ -15,7 +15,6 @@ pyasn1==0.4.7
 pyasn1-modules==0.2.6
 pylint==2.3.1
 pymilvus==0.2.5
-#pymilvus==0.2.0
 pyparsing==2.4.0
 pytest==4.6.3
 pytest-level==0.1.1