diff --git a/.direnv/flake-inputs/dmyhdba7npfby7kzkg4h8w1k5xk4a6w0-source b/.direnv/flake-inputs/dmyhdba7npfby7kzkg4h8w1k5xk4a6w0-source
deleted file mode 120000
index 9336577..0000000
--- a/.direnv/flake-inputs/dmyhdba7npfby7kzkg4h8w1k5xk4a6w0-source
+++ /dev/null
@@ -1 +0,0 @@
-/nix/store/dmyhdba7npfby7kzkg4h8w1k5xk4a6w0-source
\ No newline at end of file
diff --git a/.direnv/flake-inputs/kcr4344gjcn3bapm00x8mj1lcbq5ad0d-source b/.direnv/flake-inputs/kcr4344gjcn3bapm00x8mj1lcbq5ad0d-source
new file mode 120000
index 0000000..7a82a67
--- /dev/null
+++ b/.direnv/flake-inputs/kcr4344gjcn3bapm00x8mj1lcbq5ad0d-source
@@ -0,0 +1 @@
+/nix/store/kcr4344gjcn3bapm00x8mj1lcbq5ad0d-source
\ No newline at end of file
diff --git a/flake.nix b/flake.nix
index 243c0b5..d46ff19 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,6 +18,30 @@
       cargo = rustToolchain;
       rustc = rustToolchain;
     };
+    runtimeLibs = with pkgs; [
+      wayland
+      libxkbcommon
+      glib
+      vulkan-loader
+      mesa
+      libGL
+    ];
+    buildLibs = with pkgs; [
+      libqalculate
+      glib
+    ];
+    nativeTools = with pkgs; [
+      pkg-config
+      gcc
+      makeWrapper
+    ];
+    devTools = with pkgs; [
+      gcc
+      gnumake
+      rustToolchain
+      evcxr
+      pkg-config
+    ];
   in {
     packages."${system}" = {
       default = rustPlatform.buildRustPackage {
@@ -25,46 +49,19 @@
         version = "0.1.0";
         src = ./.;
         cargoLock.lockFile = ./Cargo.lock;
-
-        nativeBuildInputs = with pkgs; [
-          pkg-config
-          gcc
-          makeWrapper
-        ];
-
-        buildInputs = with pkgs; [
-          libqalculate
-        ];
-
+        nativeBuildInputs = nativeTools;
+        buildInputs = buildLibs;
         postInstall = ''
           wrapProgram $out/bin/floating-calculator \
-            --set LD_LIBRARY_PATH ${pkgs.lib.makeLibraryPath [pkgs.wayland pkgs.libxkbcommon]}
+            --set LD_LIBRARY_PATH ${pkgs.lib.makeLibraryPath runtimeLibs}
         '';
       };
     };
-
     devShells."${system}" = {
       default = pkgs.mkShell {
-        buildInputs = with pkgs; [
-          gcc
-          gnumake
-          rustToolchain
-          evcxr
-          pkg-config
-          libqalculate
-          glib
-        ];
-
+        buildInputs = devTools ++ buildLibs;
         VK_ICD_FILENAMES = "${pkgs.mesa}/share/vulkan/icd.d/intel_icd.x86_64.json";
-
-        LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath (with pkgs; [
-          wayland
-          libxkbcommon
-          glib
-          vulkan-loader
-          mesa
-          libGL
-        ]);
+        LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath runtimeLibs;
       };
     };
   };