diff --git a/docker.nix b/docker.nix
index 7257064..9b5829f 100644
--- a/docker.nix
+++ b/docker.nix
@@ -28,7 +28,7 @@
           RUN apt install -y clang-11 lldb-11 llvm-11* libfuzzer-11-dev
           RUN apt install -y pkg-config binutils-dev libunwind-dev
           RUN apt install -y command-not-found libglib2.0-dev bsdmainutils
-          RUN apt install -y libarchive-dev nettle-dev
+          RUN apt install -y libarchive-dev nettle-dev libseccomp-dev
 
           RUN groupmod users -g 100
           RUN useradd user -u 1002 -g 100 -s /bin/zsh
diff --git a/networking.nix b/networking.nix
index 893befa..f2bb02c 100644
--- a/networking.nix
+++ b/networking.nix
@@ -71,6 +71,8 @@ in {
 
   systemd = {
     services = {
+      ntpd.serviceConfig.TimeoutStopSec = 5;
+
       "macchanger-wlan0" = {
         description = "Changes MAC of wlan0 for privacy reasons";
         wants = [ "network-pre.target" ];
diff --git a/packages.nix b/packages.nix
index 4d80cef..15b10bc 100644
--- a/packages.nix
+++ b/packages.nix
@@ -83,8 +83,6 @@ in {
         smex w3m org-kanban org-brain
         # Appearance
         zenburn-theme solarized-theme wc-mode
-        # IM
-        telega
         # NixOS
         company-nixos-options helm-nixos-options
       ])
@@ -115,7 +113,7 @@ in {
     # x apps
     escrotum wire-desktop evince gimp gnome3.gnome-maps
     android-file-transfer libreoffice electrum gnome3.nautilus
-    signal-desktop signal-cli rdesktop tdesktop
+    signal-desktop signal-cli rdesktop
 
     (writeShellScriptBin "git-get" "${git}/bin/git clone https://$1 $GOPATH/src/$1")