diff --git a/Cargo.toml b/Cargo.toml
index 8f15d1d..4a9931c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,10 +20,9 @@ exclude = [ "target/*", "Cargo.lock", "scripts/tmp", "*.txt" ]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [features]
-rustc-dep-of-std = ['std', 'core', 'compiler_builtins']
+rustc-dep-of-std = ['std', 'core']
 bench = []
 
 [dependencies]
 std = { version = "1.0", package = "rustc-std-workspace-std", optional = true }
 core = { version = "1.0", package = "rustc-std-workspace-core", optional = true }
-compiler_builtins = { version = "0.1", optional = true }