diff --git a/.cargo/config.toml b/.cargo/config.toml
deleted file mode 100644
index 7e2ad9f3..00000000
--- a/.cargo/config.toml
+++ /dev/null
@@ -1,3 +0,0 @@
-#[target.x86_64-unknown-linux-gnu]
-#linker = "clang"
-#rustflags = ["-C", "link-arg=-fuse-ld=mold"]
diff --git a/Makefile b/Makefile
index 55fa16dd..22e1f548 100644
--- a/Makefile
+++ b/Makefile
@@ -1,13 +1,10 @@
-.PHONY: doc all release shell run1 run2 run3
+.PHONY: doc all run1 run2 run3
 
 all:
-	clear; cargo build
-
-release:
-	nix-build --attr pkgs.amd64.release --no-build-output
-
-shell:
-	nix-shell
+	clear
+	cargo build \
+		--config 'target.x86_64-unknown-linux-gnu.linker="clang"' \
+		--config 'target.x86_64-unknown-linux-gnu.rustflags=["-C", "link-arg=-fuse-ld=mold"]' \
 
 # ----