diff --git a/go.mod b/go.mod
index 59ce91a77..1eec3f4d6 100644
--- a/go.mod
+++ b/go.mod
@@ -84,7 +84,6 @@ require (
 	github.com/ucloud/ucloud-sdk-go v0.16.3
 	github.com/ufilesdk-dev/ufile-gosdk v0.0.0-20190830075812-b4dbc4ef43a6
 	github.com/ulikunitz/xz v0.5.6
-	github.com/ulikunitz/xz v0.5.5
 	github.com/vmware/govmomi v0.24.1
 	github.com/xanzy/go-cloudstack v0.0.0-20190526095453-42f262b63ed0
 	github.com/yandex-cloud/go-genproto v0.0.0-20200915125933-33de72a328bd
diff --git a/go.sum b/go.sum
index 3444ef0b4..9ce19fb30 100644
--- a/go.sum
+++ b/go.sum
@@ -448,12 +448,8 @@ github.com/hashicorp/packer-plugin-sdk v0.0.14/go.mod h1:tNb3XzJPnjMl3QuUdKmF47B
 github.com/hashicorp/packer-plugin-sdk v0.1.0/go.mod h1:CFsC20uZjtER/EnTn/CSMKD0kEdkqOVev8mtOmfnZiI=
 github.com/hashicorp/packer-plugin-sdk v0.1.1/go.mod h1:1d3nqB9LUsXMQaNUiL67Q+WYEtjsVcLNTX8ikVlpBrc=
 github.com/hashicorp/packer-plugin-sdk v0.1.2/go.mod h1:KRjczE1/c9NV5Re+PXt3myJsVTI/FxEHpZjRjOH0Fug=
-github.com/hashicorp/packer-plugin-sdk v0.1.3-0.20210407132324-af39c7839daf h1:0DBlIExTDefzbfkOl213QtgJsVJXWdgW/aIQIvYUMzs=
-github.com/hashicorp/packer-plugin-sdk v0.1.3-0.20210407132324-af39c7839daf/go.mod h1:xePpgQgQYv/bamiypx3hH9ukidxDdcN8q0R0wLi8IEQ=
 github.com/hashicorp/packer-plugin-sdk v0.1.3 h1:oHTVlgoX2piUzL54+LBo9uIMfW+L/kY7or83dDStdIY=
 github.com/hashicorp/packer-plugin-sdk v0.1.3/go.mod h1:xePpgQgQYv/bamiypx3hH9ukidxDdcN8q0R0wLi8IEQ=
-github.com/hashicorp/packer-plugin-vsphere v0.0.0-20210409154313-881202ca3ffe h1:qUU0ctLV5Pjq+RqxaKlVmKhE1BQtWZvqV4a05cF93PY=
-github.com/hashicorp/packer-plugin-vsphere v0.0.0-20210409154313-881202ca3ffe/go.mod h1:ZmA5O2CDiIOGW/hvHbhxNzq2hEXDYyUVj+knuoxyWu0=
 github.com/hashicorp/packer-plugin-vsphere v0.0.0-20210415100050-d0269b5646e6 h1:pOv7Apd4P3KEpNBHLV4E7tKlwHoInCU/bnPVadGSDxY=
 github.com/hashicorp/packer-plugin-vsphere v0.0.0-20210415100050-d0269b5646e6/go.mod h1:XMhsLDDT7sD2BWaruLvGPynnn4IqdbrfvuKhb1GK1RI=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=