diff --git a/Cargo.toml b/Cargo.toml
index 93070baca5..3d6ff76b13 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,6 @@ include = [
     "Cargo.toml",
 ]
 edition = "2018"
-resolver = "2"
 
 [lib]
 name = "sqlparser"
diff --git a/rust-toolchain b/rust-toolchain
deleted file mode 100644
index 870bbe4e50..0000000000
--- a/rust-toolchain
+++ /dev/null
@@ -1 +0,0 @@
-stable
\ No newline at end of file