diff --git a/src/Cargo.lock b/src/Cargo.lock
index 1deb89092e6..6f919fd1acd 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -1021,16 +1021,6 @@ dependencies = [
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "libloading"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "libssh2-sys"
 version = "0.2.6"
@@ -2138,7 +2128,6 @@ version = "0.0.0"
 dependencies = [
  "ar 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "flate2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libloading 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc 0.0.0",
  "rustc_back 0.0.0",
@@ -2982,7 +2971,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum lazycell 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3b585b7a6811fb03aa10e74b278a0f00f8dd9b45dc681f148bb29fa5cb61859b"
 "checksum libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)" = "1e5d97d6708edaa407429faa671b942dc0f2727222fb6b6539bf1db936e4b121"
 "checksum libgit2-sys 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)" = "6eeae66e7b1c995de45cb4e65c5ab438a96a7b4077e448645d4048dc753ad357"
-"checksum libloading 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "fd38073de8f7965d0c17d30546d4bb6da311ab428d1c7a3fc71dff7f9d4979b9"
 "checksum libssh2-sys 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0db4ec23611747ef772db1c4d650f8bd762f07b461727ec998f953c614024b75"
 "checksum libz-sys 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)" = "87f737ad6cc6fd6eefe3d9dc5412f1573865bded441300904d2f42269e140f16"
 "checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
diff --git a/src/librustc_trans_utils/Cargo.toml b/src/librustc_trans_utils/Cargo.toml
index 6d433bdef3e..7a01b6d261a 100644
--- a/src/librustc_trans_utils/Cargo.toml
+++ b/src/librustc_trans_utils/Cargo.toml
@@ -13,7 +13,6 @@ test = false
 ar = "0.3.0"
 flate2 = "1.0"
 log = "0.4"
-libloading = "0.4"
 
 syntax = { path = "../libsyntax" }
 syntax_pos = { path = "../libsyntax_pos" }