diff --git a/.envrc b/.envrc
deleted file mode 100644
index 1d953f4..0000000
--- a/.envrc
+++ /dev/null
@@ -1 +0,0 @@
-use nix
diff --git a/lib/anthracite.cpp b/lib/anthracite.cpp
index f1cf31c..d10cacb 100644
--- a/lib/anthracite.cpp
+++ b/lib/anthracite.cpp
@@ -89,13 +89,12 @@ int listen_loop(int port_number, backends::backend& be, bool tls) {
         socket::anthracite_socket* client_sock;
     
         if (tls){
-            socket::openssl_socket* ssl_sock = dynamic_cast<socket::openssl_socket*>(socket);
-            client_sock = new socket::openssl_socket(*ssl_sock);
+            client_sock = new socket::openssl_socket(*dynamic_cast<socket::openssl_socket*>(socket));
         } else {
             client_sock = new socket::anthracite_socket(*socket);
         }
 
-        std::thread(handle_client, client_sock, std::ref(be), std::ref(fb), std::ref(thread_wait_mutex), std::ref(thread_wait_condvar), std::ref(active_threads)).detach();
+        std::thread(handle_client, socket, std::ref(be), std::ref(fb), std::ref(thread_wait_mutex), std::ref(thread_wait_condvar), std::ref(active_threads)).detach();
     }
 
     delete socket;
diff --git a/shell.nix b/shell.nix
deleted file mode 100644
index 201b9ef..0000000
--- a/shell.nix
+++ /dev/null
@@ -1,11 +0,0 @@
-{ pkgs ? import <nixpkgs> {} }:
-  pkgs.mkShell {
-    nativeBuildInputs = [ pkgs.pkg-config pkgs.openssl pkgs.libgcc pkgs.boost pkgs.cmake ];
-
-    shellHook = ''
-      export OPENSSL_DIR="${pkgs.openssl.dev}"
-      export PKG_CONFIG_PATH="${pkgs.openssl.dev}/lib/pkgconfig"
-      export OPENSSL_NO_VENDOR=1
-      export OPENSSL_LIB_DIR="${pkgs.lib.getLib pkgs.openssl}/lib"
-    '';
-}
diff --git a/src/api_main.cpp b/src/api_main.cpp
index e7b5366..4a42858 100644
--- a/src/api_main.cpp
+++ b/src/api_main.cpp
@@ -7,7 +7,6 @@
 #include <sstream>
 #include <unordered_map>
 #include <vector>
-#include <span>
 
 using namespace anthracite;