diff --git a/c/flake.nix b/c/flake.nix
index 581e0ed..4dda845 100644
--- a/c/flake.nix
+++ b/c/flake.nix
@@ -20,7 +20,6 @@
         gcc
         #gccStdenv
         gnumake
-        mpi
 
         # valgrind
 
diff --git a/kali/.envrc b/kali/.envrc
deleted file mode 100644
index e69de29..0000000
diff --git a/kali/flake.nix b/kali/flake.nix
index bf3a145..785a0c0 100644
--- a/kali/flake.nix
+++ b/kali/flake.nix
@@ -18,19 +18,11 @@
     devShells.default = pkgs.mkShell {
       packages = with pkgs; [
         ghidra-bin
-        hash-identifier
-        john
         ltrace
-        metasploit
         nikto
         nmap
         smbclient-ng
         strace
-        thc-hydra
-
-        (wordlists.override { lists = with pkgs; [
-          rockyou
-        ]; })
 
         steam-run
       ];
diff --git a/webdev/.envrc b/webdev/.envrc
deleted file mode 100644
index e69de29..0000000