diff --git a/Cargo.toml b/Cargo.toml
index 7dffbfb..3b16e36 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,6 +15,3 @@ no_std = ["hashbrown"]
 
 [dependencies]
 hashbrown = { version = "0.14", optional = true }
-
-[build-dependencies]
-rustc_version = "0.4.1"