diff --git a/Gopkg.lock b/Gopkg.lock
deleted file mode 100644
index 71f6a095..00000000
--- a/Gopkg.lock
+++ /dev/null
@@ -1,79 +0,0 @@
-# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
-
-
-[[projects]]
-  branch = "master"
-  name = "github.com/StackExchange/wmi"
-  packages = ["."]
-  revision = "ea383cf3ba6ec950874b8486cd72356d007c768f"
-
-[[projects]]
-  name = "github.com/go-ole/go-ole"
-  packages = [
-    ".",
-    "oleutil"
-  ]
-  revision = "a41e3c4b706f6ae8dfbff342b06e40fa4d2d0506"
-  version = "v1.2.1"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/kardianos/osext"
-  packages = ["."]
-  revision = "ae77be60afb1dcacde03767a8c37337fad28ac14"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/keybase/go-ps"
-  packages = [
-    ".",
-    "darwincgo"
-  ]
-  revision = "668c8856d9992f97248b3177d45743d2cc1068db"
-
-[[projects]]
-  name = "github.com/shirou/gopsutil"
-  packages = [
-    "cpu",
-    "host",
-    "internal/common",
-    "mem",
-    "net",
-    "process"
-  ]
-  revision = "c95755e4bcd7a62bb8bd33f3a597a7c7f35e2cf3"
-  version = "v2.18.04"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/shirou/w32"
-  packages = ["."]
-  revision = "bb4de0191aa41b5507caa14b0650cdbddcd9280b"
-
-[[projects]]
-  branch = "master"
-  name = "github.com/xlab/treeprint"
-  packages = ["."]
-  revision = "d6fb6747feb6e7cfdc44682a024bddf87ef07ec2"
-
-[[projects]]
-  branch = "master"
-  name = "golang.org/x/sys"
-  packages = [
-    "unix",
-    "windows"
-  ]
-  revision = "8dbc5d05d6edcc104950cc299a1ce6641235bc86"
-
-[[projects]]
-  name = "rsc.io/goversion"
-  packages = ["version"]
-  revision = "84cd9d26d7efce780a7aaafd0944961371da741f"
-  version = "v1.0.0"
-
-[solve-meta]
-  analyzer-name = "dep"
-  analyzer-version = 1
-  inputs-digest = "c5be4702069d1d0de4909a4b31672b5345e0dd3fc5d61b3cba35a7d408b45bb5"
-  solver-name = "gps-cdcl"
-  solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
deleted file mode 100644
index 57746a42..00000000
--- a/Gopkg.toml
+++ /dev/null
@@ -1,31 +0,0 @@
-
-# Gopkg.toml example
-#
-# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
-# for detailed Gopkg.toml documentation.
-#
-# required = ["github.com/user/thing/cmd/thing"]
-# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
-#
-# [[constraint]]
-#   name = "github.com/user/project"
-#   version = "1.0.0"
-#
-# [[constraint]]
-#   name = "github.com/user/project2"
-#   branch = "dev"
-#   source = "github.com/myfork/project2"
-#
-# [[override]]
-#  name = "github.com/x/y"
-#  version = "2.4.0"
-
-
-[[constraint]]
-  branch = "master"
-  name = "github.com/kardianos/osext"
-
-[[constraint]]
-  branch = "master"
-  name = "github.com/keybase/go-ps"
-
diff --git a/go.mod b/go.mod
index 3c7e3ee6..c51402c3 100644
--- a/go.mod
+++ b/go.mod
@@ -3,13 +3,14 @@ module github.com/google/gops
 go 1.12
 
 require (
-	github.com/StackExchange/wmi v0.0.0-20170410192909-ea383cf3ba6e
-	github.com/go-ole/go-ole v1.2.1
+	github.com/StackExchange/wmi v0.0.0-20170410192909-ea383cf3ba6e // indirect
+	github.com/go-ole/go-ole v1.2.1 // indirect
 	github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1
 	github.com/keybase/go-ps v0.0.0-20161005175911-668c8856d999
 	github.com/shirou/gopsutil v0.0.0-20180427012116-c95755e4bcd7
-	github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4
+	github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4 // indirect
+	github.com/stretchr/testify v1.3.0 // indirect
 	github.com/xlab/treeprint v0.0.0-20180616005107-d6fb6747feb6
-	golang.org/x/sys v0.0.0-20171017063910-8dbc5d05d6ed
+	golang.org/x/sys v0.0.0-20171017063910-8dbc5d05d6ed // indirect
 	rsc.io/goversion v1.0.0
 )
diff --git a/go.sum b/go.sum
new file mode 100644
index 00000000..9ef2417f
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,25 @@
+github.com/StackExchange/wmi v0.0.0-20170410192909-ea383cf3ba6e h1:IHXQQIpxASe3m0Jtcd3XongL+lxHNd5nUmvHxJARUmg=
+github.com/StackExchange/wmi v0.0.0-20170410192909-ea383cf3ba6e/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-ole/go-ole v1.2.1 h1:2lOsA72HgjxAuMlKpFiCbHTvu44PIVkZ5hqm3RSdI/E=
+github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
+github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1 h1:PJPDf8OUfOK1bb/NeTKd4f1QXZItOX389VN3B6qC8ro=
+github.com/kardianos/osext v0.0.0-20170510131534-ae77be60afb1/go.mod h1:1NbS8ALrpOvjt0rHPNLyCIeMtbizbir8U//inJ+zuB8=
+github.com/keybase/go-ps v0.0.0-20161005175911-668c8856d999 h1:2d+FLQbz4xRTi36DO1qYNUwfORax9XcQ0jhbO81Vago=
+github.com/keybase/go-ps v0.0.0-20161005175911-668c8856d999/go.mod h1:hY+WOq6m2FpbvyrI93sMaypsttvaIL5nhVR92dTMUcQ=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/shirou/gopsutil v0.0.0-20180427012116-c95755e4bcd7 h1:80VN+vGkqM773Br/uNNTSheo3KatTgV8IpjIKjvVLng=
+github.com/shirou/gopsutil v0.0.0-20180427012116-c95755e4bcd7/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
+github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4 h1:udFKJ0aHUL60LboW/A+DfgoHVedieIzIXE8uylPue0U=
+github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4/go.mod h1:qsXQc7+bwAM3Q1u/4XEfrquwF8Lw7D7y5cD8CuHnfIc=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/xlab/treeprint v0.0.0-20180616005107-d6fb6747feb6 h1:YdYsPAZ2pC6Tow/nPZOPQ96O3hm/ToAkGsPLzedXERk=
+github.com/xlab/treeprint v0.0.0-20180616005107-d6fb6747feb6/go.mod h1:ce1O1j6UtZfjr22oyGxGLbauSBp2YVXpARAosm7dHBg=
+golang.org/x/sys v0.0.0-20171017063910-8dbc5d05d6ed h1:7TjTAJENziDn0SiwaaVypM+TFSq4rk6LJOuy3GUKMhg=
+golang.org/x/sys v0.0.0-20171017063910-8dbc5d05d6ed/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+rsc.io/goversion v1.0.0 h1:/IhXBiai89TyuerPquiZZ39IQkTfAUbZB2awsyYZ/2c=
+rsc.io/goversion v1.0.0/go.mod h1:Eih9y/uIBS3ulggl7KNJ09xGSLcuNaLgmvvqa07sgfo=