diff --git a/.gitignore b/.gitignore
index d221221..c082246 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,10 @@ bin/*
 
 compile_commands.json
 
+.clangd
+
 include/bindings/ruby_compiled.h
 
 p.vim
+
+.cache/
diff --git a/Makefile b/Makefile
index 6a2bd8b..3cba897 100644
--- a/Makefile
+++ b/Makefile
@@ -10,8 +10,8 @@ PCH_DEBUG := $(OBJ_DIR)/debug/pch.h.gch
 PCH_RELEASE := $(OBJ_DIR)/release/pch.h.gch
 
 CCACHE := ccache
-CXX := $(CCACHE) clang++
-CC := $(CCACHE) clang
+CXX := $(CCACHE) $(shell which clang++)
+CC := $(CCACHE) $(shell which clang)
 
 # ---------------- SDL3 ----------------
 
diff --git a/flake.nix b/flake.nix
index 404f7d1..630d761 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,6 +18,7 @@
       devShells = forAllSystems (pkgs: {
         default = pkgs.mkShell {
           packages = with pkgs; [
+            clang-tools
             clang
             ccache
             pkg-config
diff --git a/include/pch.h b/include/pch.h
index c780a6b..f8055ce 100644
--- a/include/pch.h
+++ b/include/pch.h
@@ -58,7 +58,6 @@
 #include <shared_mutex>
 #include <signal.h>
 #include <stack>
-#include <stdio.h>
 #include <string.h>
 #include <string>
 #include <sys/ioctl.h>
@@ -72,4 +71,4 @@
 #include <unordered_set>
 #include <vector>
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/main.cc b/src/main.cc
index 66d569e..62b7b2b 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -38,4 +38,4 @@ int main(int argc, char *argv[]) {
   mrb_close(Ruby::mrb);
 
   return 0;
-}
\ No newline at end of file
+}