diff --git a/Cargo.lock b/Cargo.lock
index cfa87b421b4..9c125d1a324 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -18,8 +18,8 @@ dependencies = [
 
 [[package]]
 name = "ar"
-version = "0.6.2"
-source = "git+https://github.com/bjorn3/rust-ar.git?branch=non_multiple_of_two_identifiers_gnu_format#efa2308b9ded41f4977d4fed98dac7af4d9075cf"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -582,7 +582,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "rustc_codegen_cranelift"
 version = "0.1.0"
 dependencies = [
- "ar 0.6.2 (git+https://github.com/bjorn3/rust-ar.git?branch=non_multiple_of_two_identifiers_gnu_format)",
+ "ar 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cranelift 0.30.0 (git+https://github.com/CraneStation/cranelift.git)",
@@ -843,7 +843,7 @@ dependencies = [
 [metadata]
 "checksum aho-corasick 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e6f484ae0c99fec2e858eb6134949117399f222608d84cadb3f58c1f97c2364c"
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
-"checksum ar 0.6.2 (git+https://github.com/bjorn3/rust-ar.git?branch=non_multiple_of_two_identifiers_gnu_format)" = "<none>"
+"checksum ar 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6c1afd66a96a235fa8eeec0ee757ec0d2c0db7cb89b4e04ae159f37952b97bd5"
 "checksum arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "92c7fb76bc8826a8b33b4ee5bb07a247a81e76764ab4d55e8f73e3a4d8808c71"
 "checksum atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9a7d5b8723950951411ee34d271d99dddcc2035a16ab25310ea2c8cfd4369652"
 "checksum autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a6d640bee2da49f60a4068a7fae53acde8982514ab7bae8b8cea9e88cbcfd799"
diff --git a/Cargo.toml b/Cargo.toml
index c4ee9056d9e..c823278cb39 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ target-lexicon = "0.4.0"
 faerie = "0.10.0"
 
 #goblin = "0.0.17"
-ar = "0.6.1"
+ar = "0.7.0"
 bitflags = "1.0.3"
 byteorder = "1.2.7"
 libc = "0.2.53"
@@ -38,8 +38,5 @@ indexmap = "1.0.2"
 #[patch."https://github.com/gimli-rs/gimli.git"]
 #gimli = { path = "../" }
 
-[patch.crates-io]
-ar = { git = "https://github.com/bjorn3/rust-ar.git", branch = "non_multiple_of_two_identifiers_gnu_format" }
-
 [profile.dev.overrides."*"]
 opt-level = 3