diff --git a/.cargo/config b/.cargo/config
new file mode 100644
index 0000000000..264d5b2baf
--- /dev/null
+++ b/.cargo/config
@@ -0,0 +1 @@
+paths = ["compiler-builtins"]
diff --git a/.gitmodules b/.gitmodules
index aaee5b3c47..f8c33970ef 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "pthreads-emb"]
 	path = pthreads-emb
 	url = https://gitlab.redox-os.org/redox-os/pthreads-emb.git
+[submodule "compiler-builtins"]
+	path = compiler-builtins
+	url = https://github.com/rust-lang/compiler-builtins.git
diff --git a/Xargo.toml b/Xargo.toml
index de0c1afa51..ea3144eb6a 100644
--- a/Xargo.toml
+++ b/Xargo.toml
@@ -1,4 +1 @@
 [dependencies.alloc]
-
-[patch.crates-io]
-compiler_builtins = { git = "https://github.com/rust-lang/compiler-builtins.git", rev = "25ea08da2824b8137b6ac1222b0171cb07cca083" }
diff --git a/compiler-builtins b/compiler-builtins
new file mode 160000
index 0000000000..25ea08da28
--- /dev/null
+++ b/compiler-builtins
@@ -0,0 +1 @@
+Subproject commit 25ea08da2824b8137b6ac1222b0171cb07cca083