diff --git a/Cargo.lock b/Cargo.lock
index 3959c745..f26c3e60 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -125,13 +125,11 @@ dependencies = [
  "anyhow",
  "cargo_metadata",
  "cargo_toml",
- "clt",
  "crates_io_api",
  "dirs",
  "flate2",
  "log",
  "reqwest",
- "semver",
  "serde",
  "serde_derive",
  "simplelog",
@@ -214,17 +212,6 @@ dependencies = [
  "vec_map",
 ]
 
-[[package]]
-name = "clt"
-version = "0.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ada85b237ebf9bfe564adaded2ec1786e75deb71f215f59323b26a5c70d6afa0"
-dependencies = [
- "getopts",
- "libc",
- "tempdir",
-]
-
 [[package]]
 name = "console_error_panic_hook"
 version = "0.1.6"
@@ -519,15 +506,6 @@ dependencies = [
  "typenum",
 ]
 
-[[package]]
-name = "getopts"
-version = "0.2.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14dbbfd5c71d70241ecf9e6f13737f7b5ce823821063188d7e46c41d371eebd5"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.1.15"
diff --git a/Cargo.toml b/Cargo.toml
index b2abb1ea..93526963 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,5 +28,4 @@ strum = "0.20.0"
 dirs = "3.0.1"
 serde_derive = "1.0.118"
 #github = "0.1.2"
-semver = "0.11.0"
-clt = "0.0.6"
+