diff --git a/home/modules/base/mime-apps.nix b/home/modules/base/mime-apps.nix
index 415c247..36f58b6 100644
--- a/home/modules/base/mime-apps.nix
+++ b/home/modules/base/mime-apps.nix
@@ -1,36 +1,8 @@
 { lib, config, pkgs, ... }:
 
-let
-  browser = ["${config.home.sessionVariables.BROWSER}.desktop"];
-  zathura = ["org.pwmt.zethura.desktop.desktop"];
-
-  associations = {
-    "text/html" = browser;
-    "x-scheme-handler/http" = browser;
-    "x-scheme-handler/https" = browser;
-    "x-scheme-handler/ftp" = browser;
-    "x-scheme-handler/about" = browser;
-    "x-scheme-handler/unknown" = browser;
-    "application/x-extension-htm" = browser;
-    "application/x-extension-html" = browser;
-    "application/x-extension-shtml" = browser;
-    "application/xhtml+xml" = browser;
-    "application/x-extension-xhtml" = browser;
-    "application/x-extension-xht" = browser;
-
-    "audio/*" = ["mpv.desktop"];
-    "video/*" = ["mpv.dekstop"];
-    "image/*" = ["imv.desktop"];
-    "application/json" = browser;
-    "application/pdf" = zathura;
-    "x-scheme-handler/discord" = ["vesktop.desktop"];
-  };
-in
 {
   home.packages = [ pkgs.xdg-utils ];
   xdg.mimeApps = {
     enable = true;
-    associations.added = associations;
-    defaultApplications = associations;
   };
 }
diff --git a/home/modules/desktop/browser/firefox/default.nix b/home/modules/desktop/browser/firefox/default.nix
index 808240d..cdafbe4 100644
--- a/home/modules/desktop/browser/firefox/default.nix
+++ b/home/modules/desktop/browser/firefox/default.nix
@@ -1,33 +1,58 @@
 { pkgs, lib, inputs, config, ... }:
 
 let
+  inherit (lib) mkIf mkMerge;
+
   addons = inputs.firefox-addons.packages.${pkgs.system};
   cfg = config.ooknet.browser.firefox;
   browser = config.ooknet.desktop.browser;
-  inherit (lib) mkIf;
+  firefoxMime = {
+    "text/html" = ["firefox.desktop"];
+    "x-scheme-handler/http" = ["firefox.desktop"];
+    "x-scheme-handler/https" = ["firefox.desktop"];
+    "x-scheme-handler/ftp" = ["firefox.desktop"];
+    "x-scheme-handler/about" = ["firefox.desktop"];
+    "x-scheme-handler/unknown" = ["firefox.desktop"];
+    "application/x-extension-htm" = ["firefox.desktop"];
+    "application/x-extension-html" = ["firefox.desktop"];
+    "application/x-extension-shtml" = ["firefox.desktop"];
+    "application/xhtml+xml" = ["firefox.desktop"];
+    "application/x-extension-xhtml" = ["firefox.desktop"];
+    "application/x-extension-xht" = ["firefox.desktop"];
+    "application/json" = ["firefox.desktop"];
+  };
 in
 
 {
 
   imports = [ ./tridactyl.nix ];
-  config = mkIf (cfg.enable || browser == "firefox") {
-    home.sessionVariables.BROWSER = mkIf (browser == "firefox") "firefox";
-    ooknet.binds.browser = mkIf (browser == "firefox") "firefox";
-  
-    programs.firefox = {
-      enable = true;
-      nativeMessagingHosts = [pkgs.tridactyl-native];
-      profiles.ooks = {
-        extensions = with addons; [
-          ublock-origin
-          darkreader
-          tridactyl
-          # onepassword-password-manager # cannot get this to work unfree issue.
-        ];
-        settings = import ./settings/ooksJs.nix;
-        userChrome = import ./theme/penguinFox.nix;
-        userContent = import ./theme/penguinFoxContent.nix;
+  config = mkMerge [ 
+    (mkIf (cfg.enable || browser == "firefox") {
+      programs.firefox = {
+        enable = true;
+        nativeMessagingHosts = [ pkgs.tridactyl-native ];
+        profiles.ooks = {
+          extensions = with addons; [
+            ublock-origin
+            darkreader
+            tridactyl
+            # onepassword-password-manager # cannot get this to work unfree issue.
+          ];
+          settings = import ./settings/ooksJs.nix;
+          userChrome = import ./theme/penguinFox.nix;
+          userContent = import ./theme/penguinFoxContent.nix;
+        };
       };
-    };
-  };
+    })
+
+    (mkIf (browser == "firefox") {
+      home.sessionVariables.BROWSER = "firefox";
+      ooknet.binds.browser = "firefox";
+      xdg.mimeApps = {
+        associations.added = firefoxMime;
+        defaultApplications = firefoxMime;
+      };
+    })
+
+  ];
 }
diff --git a/home/modules/desktop/communication/discord/vesktop.nix b/home/modules/desktop/communication/discord/vesktop.nix
index d0d2ddc..a05ebbc 100644
--- a/home/modules/desktop/communication/discord/vesktop.nix
+++ b/home/modules/desktop/communication/discord/vesktop.nix
@@ -2,152 +2,165 @@
 
 let
   inherit (config.colorscheme) palette;
-  inherit (lib) mkIf;
+  inherit (lib) mkIf mkMerge;
+
   cfg = config.ooknet.communication.discord;
   discord = config.ooknet.desktop.discord;
   fonts = config.ooknet.fonts;
+  vesktopMime = {
+    "x-scheme-handler/discord" = ["vesktop.desktop"];
+  };
 in
 
 {
-  config = mkIf (cfg.enable || discord == "vesktop") {
-    home.packages = [ pkgs.vesktop ];
-    ooknet.binds.discord = "vesktop";
-    xdg.configFile."vesktop/themes/nix.css".text = /* css */ ''
-      /**
-        * @name nix-colors-minimal
-        * @author aoku
-        * @description minimal theme designed with nix colors
-      */
+  config = mkMerge [ 
+    (mkIf (cfg.enable || discord == "vesktop") {
+      home.packages = [ pkgs.vesktop ];
+      xdg.configFile."vesktop/themes/nix.css".text = /* css */ ''
+        /**
+          * @name nix-colors-minimal
+          * @author aoku
+          * @description minimal theme designed with nix colors
+        */
   
-      :root {
-        --nix-bg1: #${palette.base00}; 
-        --nix-bg2: #${palette.base01};
-        --nix-bg3: #${palette.base02};
+        :root {
+          --nix-bg1: #${palette.base00}; 
+          --nix-bg2: #${palette.base01};
+          --nix-bg3: #${palette.base02};
     
-        --nix-fg1: #${palette.base05};
-        --nix-fg2: #${palette.base07};
-        --nix-fg3: #${palette.base03};
-        --nix-link: #${palette.base0D};
+          --nix-fg1: #${palette.base05};
+          --nix-fg2: #${palette.base07};
+          --nix-fg3: #${palette.base03};
+          --nix-link: #${palette.base0D};
 
-        --nix-accent: #${palette.base08};
-        --nix-hi: #${palette.base0B}; 
+          --nix-accent: #${palette.base08};
+          --nix-hi: #${palette.base0B}; 
+
+          --font-mono: ${fonts.monospace.family}, monospace;
+          --font-regular: ${fonts.regular.family}, sans serif;
+
+          /* server collapse */
+          --sb-collapsed-width: 12px;
+          --sb-transition-duration: 0s;
+        }
+
+        .theme-dark {
+          --background-primary: var(--nix-bg1);
+          --background-secondary: var(--nix-bg1);
+          --background-secondary-alt: var(--nix-bg1);
+          --background-accent: var(--nix-accent);
+          --background-tertiary: var(--nix-bg1);
+          --background-floating: var(--nix-bg1);
+          --background-mentioned: var(--nix-bg1);
+          --background-mentioned-hover: var(--nix-bg1);
+          --background-mobile: var(--nix-bg1);
+          --background-mobile-secondary: var(--nix-bg2);
+          --background-modifier-selected: var(--nix-bg1);
+          --channeltextarea-background:var(--nix-bg1);
+          --background-modifier-hover:var(--nix-bg1);
+          --activity-card-background: var(--nix-bg2);
+
+          --header-primary: var(--nix-fg2);
+          --header-secondary: var(--nix-fg1);
+      
+          --text-normal: var(--nix-fg1);
+          --text-muted: var(--nix-fg1);
+          --text-link: var(--nix-link);
+          --text-warning: var(--nix-accent);
+          --font-primary: var(--font-mono);
+          --font-headline: var(--font-mono);
+          --font-display: var(--font-mono);
+      
+          --interactive-normal: var(--nix-fg1); /*base05*/
+          --interactive-hover: var(--nix-hi); /*base0B*/
+          --interactive-active: var(--nix-fg2);
+          --interactive-muted: var(--nix-fg3); /*base03*/
+          --channels-default: var(--nix-fg1);
+      
+          --scrollbar-thin-thumb: transparent;
+          --scrollbar-thin-track: transparent;
+          --scrollbar-auto-thumb: var(--nix-fg1);
+          --scrollbar-auto-track:var(--nix-bg1);
+          --scrollbar-auto-scrollbar-color-thumb: var(--nix-accent);
+        }
+
+        .messagesWrapper_ea2b0b {
+            font-family: var(--font-regular);
+        }
+
+        .titleWrapper__482dc {
+          font-family: var(--font-mono);
+        }
+
+        .link__95dc0 /* text channel*/{
+          border-radius: 0px;
+          margin-left: -10px;
+          font-family: var(--font-mono);
+        }
+
+        .container_ca50b9 .avatar_f8541f { /*avatar*/
+          display: none;
+        }
+
+        .form__13a2c /* text input box resize */ {
+          height: 50px;
+          font-family: var(--font-regular);
+        }
+
+        .containerDefault__3187b .wrapper__7bcde:before /* text channel */{
+          content: "";
+          display:inline-block;
+          background: var(--nix-hi);
+          height: 100%;
+          position: absolute;
+          left: 0;
+        }
 
-        --font-mono: ${fonts.monospace.family}, monospace;
-        --font-regular: ${fonts.regular.family}, sans serif;
 
         /* server collapse */
-        --sb-collapsed-width: 12px;
-        --sb-transition-duration: 0s;
-      }
-
-      .theme-dark {
-        --background-primary: var(--nix-bg1);
-        --background-secondary: var(--nix-bg1);
-        --background-secondary-alt: var(--nix-bg1);
-        --background-accent: var(--nix-accent);
-        --background-tertiary: var(--nix-bg1);
-        --background-floating: var(--nix-bg1);
-        --background-mentioned: var(--nix-bg1);
-        --background-mentioned-hover: var(--nix-bg1);
-        --background-mobile: var(--nix-bg1);
-        --background-mobile-secondary: var(--nix-bg2);
-        --background-modifier-selected: var(--nix-bg1);
-        --channeltextarea-background:var(--nix-bg1);
-        --background-modifier-hover:var(--nix-bg1);
-        --activity-card-background: var(--nix-bg2);
-
-        --header-primary: var(--nix-fg2);
-        --header-secondary: var(--nix-fg1);
-      
-        --text-normal: var(--nix-fg1);
-        --text-muted: var(--nix-fg1);
-        --text-link: var(--nix-link);
-        --text-warning: var(--nix-accent);
-        --font-primary: var(--font-mono);
-        --font-headline: var(--font-mono);
-        --font-display: var(--font-mono);
-      
-        --interactive-normal: var(--nix-fg1); /*base05*/
-        --interactive-hover: var(--nix-hi); /*base0B*/
-        --interactive-active: var(--nix-fg2);
-        --interactive-muted: var(--nix-fg3); /*base03*/
-        --channels-default: var(--nix-fg1);
-      
-        --scrollbar-thin-thumb: transparent;
-        --scrollbar-thin-track: transparent;
-        --scrollbar-auto-thumb: var(--nix-fg1);
-        --scrollbar-auto-track:var(--nix-bg1);
-        --scrollbar-auto-scrollbar-color-thumb: var(--nix-accent);
-      }
-
-      .messagesWrapper_ea2b0b {
-          font-family: var(--font-regular);
-      }
-
-      .titleWrapper__482dc {
-        font-family: var(--font-mono);
-      }
-
-      .link__95dc0 /* text channel*/{
-        border-radius: 0px;
-        margin-left: -10px;
-        font-family: var(--font-mono);
-      }
-
-      .container_ca50b9 .avatar_f8541f { /*avatar*/
-        display: none;
-      }
-
-      .form__13a2c /* text input box resize */ {
-        height: 50px;
-        font-family: var(--font-regular);
-      }
-
-      .containerDefault__3187b .wrapper__7bcde:before /* text channel */{
-        content: "";
-        display:inline-block;
-        background: var(--nix-hi);
-        height: 100%;
-        position: absolute;
-        left: 0;
-      }
-
-
-      /* server collapse */
-      .guilds__2b93a /* servers */{
-          overflow: hidden !important;
-          width: var(--sb-collapsed-width, 75px);
-          transition: width var(--sb-transition-duration);
-      }
-      .guilds__2b93a:hover /* expand server bar on hover */{
-          width: 70px;
-          overflow: visible !important;
-          animation: server-bar-overflow 0s linear 0ms forwards
-      }
-      .guilds__2b93a ~ .base__3e6af /* friends list, chat */{
-          position: absolute;
-          left: var(--sb-collapsed-left, var(--sb-collapsed-width));
-          top: var(--sb-collapsed-top, 0px);
-          bottom: var(--sb-collapsed-bottom, 0px);
-          right: var(--sb-collapsed-right, 0px);
-          transition-property: var(--sb-transition-property, left);
-          transition-duration: var(--sb-transition-duration);
-      }
-      .guilds__2b93a:hover ~ .base__3e6af /* friends list, chat */{
-          position: absolute;
-          left: var(--sb-left, 70px);
-          top: var(--sb-top, 0px);
-          bottom: var(--sb-bottom, 0px);
-          right: var(--sb-right, 0px);
-      }
-      @keyframes server-bar-overflow{
-          from{
-              overflow: hidden;
-          }
-          to{
-              overflow: visible;
-          }
-      }
-    '';
-  };
+        .guilds__2b93a /* servers */{
+            overflow: hidden !important;
+            width: var(--sb-collapsed-width, 75px);
+            transition: width var(--sb-transition-duration);
+        }
+        .guilds__2b93a:hover /* expand server bar on hover */{
+            width: 70px;
+            overflow: visible !important;
+            animation: server-bar-overflow 0s linear 0ms forwards
+        }
+        .guilds__2b93a ~ .base__3e6af /* friends list, chat */{
+            position: absolute;
+            left: var(--sb-collapsed-left, var(--sb-collapsed-width));
+            top: var(--sb-collapsed-top, 0px);
+            bottom: var(--sb-collapsed-bottom, 0px);
+            right: var(--sb-collapsed-right, 0px);
+            transition-property: var(--sb-transition-property, left);
+            transition-duration: var(--sb-transition-duration);
+        }
+        .guilds__2b93a:hover ~ .base__3e6af /* friends list, chat */{
+            position: absolute;
+            left: var(--sb-left, 70px);
+            top: var(--sb-top, 0px);
+            bottom: var(--sb-bottom, 0px);
+            right: var(--sb-right, 0px);
+        }
+        @keyframes server-bar-overflow{
+            from{
+                overflow: hidden;
+            }
+            to{
+                overflow: visible;
+            }
+        }
+      '';
+      })
+    
+    (mkIf (discord == "vesktop") {
+      ooknet.binds.discord = "vesktop";
+      xdg.mimeApps = {
+        associations.added = vesktopMime;
+        defaultApplications = vesktopMime;
+      };
+    })
+  ];
 }
diff --git a/home/modules/desktop/media/image/imv.nix b/home/modules/desktop/media/image/imv.nix
index e101dc9..7f9bf7d 100644
--- a/home/modules/desktop/media/image/imv.nix
+++ b/home/modules/desktop/media/image/imv.nix
@@ -3,6 +3,9 @@
 let
   inherit (lib) mkIf;
   cfg = config.ooknet.media.image.imv;
+  imvMime = {
+    "image/*" = ["imv.desktop"];
+  };
 in
 
 {
@@ -12,5 +15,9 @@ in
         enable = true;
       };
     };
+    xdg.mimeApps = {
+      associations.added = imvMime;
+      defaultApplications = imvMime;
+    };
   };
 }
diff --git a/home/modules/desktop/media/video/mpv.nix b/home/modules/desktop/media/video/mpv.nix
index 0de1074..49c0809 100644
--- a/home/modules/desktop/media/video/mpv.nix
+++ b/home/modules/desktop/media/video/mpv.nix
@@ -3,6 +3,10 @@
 let
   inherit (lib) mkIf;
   cfg = config.ooknet.media.video.mpv;
+  mpvMime = {
+    "audio/*" = ["mpv.desktop"];
+    "video/*" = ["mpv.desktop"];
+  };
 in
 
 {
@@ -10,5 +14,9 @@ in
     programs.mpv = {
       enable = true;
     };
+    xdg.mimeApps = {
+      associations.added = mpvMime;
+      defaultApplications = mpvMime;      
+    };
   };
 }
diff --git a/home/modules/desktop/productivity/notes/obsidian.nix b/home/modules/desktop/productivity/notes/obsidian.nix
index 983df39..2270979 100644
--- a/home/modules/desktop/productivity/notes/obsidian.nix
+++ b/home/modules/desktop/productivity/notes/obsidian.nix
@@ -1,14 +1,19 @@
 { lib, config, pkgs, ... }:
 
 let
-  inherit (lib) mkIf;
+  inherit (lib) mkIf mkMerge;
   cfg = config.ooknet.productivity.notes.obsidian;
   notes = config.ooknet.desktop.notes;
 in
 
 {
-  config = mkIf (cfg.enable || notes == "obsidian") {
-    home.packages = [ pkgs.obsidian ];
-    ooknet.binds.notes = mkIf (notes == "obsidian") "obsidian";
-  };
+  config = mkMerge [ 
+    (mkIf (cfg.enable || notes == "obsidian") {
+      home.packages = [ pkgs.obsidian ];
+    })
+
+    (mkIf (notes == "obsidian") {
+      ooknet.binds.notes = "obsidian";
+    })
+  ];
 }
diff --git a/home/modules/desktop/productivity/pdf/zathura.nix b/home/modules/desktop/productivity/pdf/zathura.nix
index a4410e4..b96defe 100644
--- a/home/modules/desktop/productivity/pdf/zathura.nix
+++ b/home/modules/desktop/productivity/pdf/zathura.nix
@@ -3,6 +3,8 @@
 let
   inherit (config.colorscheme) palette;
   inherit (lib) mkIf;
+  
+  zathura = { "application/pdf" = ["org.pwmt.zathura.desktop"]; };
   cfg = config.ooknet.productivity.pdf.zathura;
   pdf = config.ooknet.desktop.pdf;
   fonts = config.ooknet.fonts;
@@ -38,5 +40,9 @@ in
         recolor-darkcolor = "#${palette.base06}";
       };
     };
+    xdg.mimeApps = mkIf (pdf == "zathura") {
+      associations.added = zathura;
+      defaultApplications = zathura;
+    };
   };
 }