diff --git a/go.sum b/go.sum
index 54b381764..67d60b5ec 100644
--- a/go.sum
+++ b/go.sum
@@ -135,8 +135,6 @@ github.com/fatih/color v1.8.0 h1:5bzFgL+oy7JITMTxUPJ00n7VxmYd/PdMp5mHFX40/RY=
 github.com/fatih/color v1.8.0/go.mod h1:3l45GVGkyrnYNl9HoIjnp2NnNWvh6hLAqD8yTfGjnw8=
 github.com/fd/go-nat v1.0.0/go.mod h1:BTBu/CKvMmOMUPkKVef1pngt2WFH/lg7E6yQnulfp6E=
 github.com/filecoin-project/chain-validation v0.0.3/go.mod h1:NCEGFjcWRjb8akWFSOXvU6n2efkWIqAeOKU6o5WBGQw=
-github.com/filecoin-project/chain-validation v0.0.6-0.20200512234642-6304037e1db6 h1:uw5MU6Rz10zvi3ZjmdbsJ55HgISsWWUJtONgbZiglPg=
-github.com/filecoin-project/chain-validation v0.0.6-0.20200512234642-6304037e1db6/go.mod h1:rk37vy27b6fmE+PJYjKfyBjm8VjSojkWDiu+Xf3ss1A=
 github.com/filecoin-project/chain-validation v0.0.6-0.20200518190139-483332336e8e h1:3x2eL2t3ZkMOHt1b5WS5aVWyJeo5+WjWCT77QdPGSwk=
 github.com/filecoin-project/chain-validation v0.0.6-0.20200518190139-483332336e8e/go.mod h1:6B3uenDcH8n+PKqgzUtZmgyCzKy4qpiLwJ5aw7Rj2xQ=
 github.com/filecoin-project/go-address v0.0.0-20191219011437-af739c490b4f/go.mod h1:rCbpXPva2NKF9/J4X6sr7hbKBgQCxyFtRj7KOZqoIms=
@@ -195,8 +193,6 @@ github.com/filecoin-project/specs-actors v0.2.0/go.mod h1:nQYnFbQ7Y0bHZyq6HDEuVl
 github.com/filecoin-project/specs-actors v0.3.0/go.mod h1:nQYnFbQ7Y0bHZyq6HDEuVlCPR+U3z5Q3wMOQ+2aiV+Y=
 github.com/filecoin-project/specs-actors v0.4.1-0.20200508202406-42be6629284d/go.mod h1:UW3ft23q6VS8wQoNqLWjENsu9gu1uh6lxOd+H8cwhT8=
 github.com/filecoin-project/specs-actors v0.4.1-0.20200509020627-3c96f54f3d7d/go.mod h1:UW3ft23q6VS8wQoNqLWjENsu9gu1uh6lxOd+H8cwhT8=
-github.com/filecoin-project/specs-actors v0.5.1 h1:uBPdtCnGRuBo/BNw9nrnf5NCdsaVJB/8FdfIpee1HZg=
-github.com/filecoin-project/specs-actors v0.5.1/go.mod h1:r5btrNzZD0oBkEz1pohv80gSCXQnqGrD0kYwOTiExyE=
 github.com/filecoin-project/specs-actors v0.5.2/go.mod h1:r5btrNzZD0oBkEz1pohv80gSCXQnqGrD0kYwOTiExyE=
 github.com/filecoin-project/specs-actors v0.5.3 h1:fdq8Gx0izhnUKl6sYEtI4SUEjT2U6W2w06HeqLz5vmw=
 github.com/filecoin-project/specs-actors v0.5.3/go.mod h1:r5btrNzZD0oBkEz1pohv80gSCXQnqGrD0kYwOTiExyE=