diff --git a/hosts/Disco.nix b/hosts/Disco.nix
index a8b5590..4c9cfda 100644
--- a/hosts/Disco.nix
+++ b/hosts/Disco.nix
@@ -44,7 +44,7 @@
         rink
         htop
         ncmpcpp
-        cyme usbutils  # lsusb etc.
+        usbutils  # lsusb etc.
         nmap
         file exiftool binwalk
         shellcheck
@@ -87,7 +87,6 @@
         (pkgs.callPackage ../packages/cura-appimage.nix {})
         pulseview
         nextcloud-client
-        kdePackages.okular evince
     ];
     programs.evolution = {
         enable = true;
diff --git a/hosts/development.nix b/hosts/development.nix
index 98fe267..2652015 100644
--- a/hosts/development.nix
+++ b/hosts/development.nix
@@ -24,14 +24,6 @@
         # Prolific USB-TTL
         SUBSYSTEM=="tty", ATTRS{idVendor}=="067b", ATTRS{idProduct}=="2303", MODE="0660", GROUP="plugdev"
 
-        # BlackMagic Probe
-        SUBSYSTEM=="tty", ATTRS{idVendor}=="1d50", ATTRS{idProduct}=="6017", MODE="0660", GROUP="plugdev"
-        SUBSYSTEM=="tty", ATTRS{idVendor}=="1d50", ATTRS{idProduct}=="6018", MODE="0660", GROUP="plugdev"
-        SUBSYSTEM=="tty", ACTION=="add", ATTRS{interface}=="Black Magic GDB Server", SYMLINK+="gdbBMP"
-        SUBSYSTEM=="tty", ACTION=="add", ATTRS{interface}=="Black Magic GDB Server", SYMLINK+="gdbBMP%E{ID_SERIAL_SHORT}"
-        SUBSYSTEM=="tty", ACTION=="add", ATTRS{interface}=="Black Magic UART Port", SYMLINK+="ttyBMP"
-        SUBSYSTEM=="tty", ACTION=="add", ATTRS{interface}=="Black Magic UART Port", SYMLINK+="ttyBMP%E{ID_SERIAL_SHORT}"
-
         # OpenBench Logic Sniffer
         SUBSYSTEM=="tty", ATTRS{idVendor}=="04d8", ATTRS{idProduct}=="fc92", MODE="0660", GROUP="plugdev", SYMLINK+="OpenLogicSniffer"
 
@@ -41,9 +33,6 @@
         # ST-LINK/V2.1
         SUBSYSTEM=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="3752", MODE="0660", GROUP="plugdev"
 
-        # ST DFU mode
-        SUBSYSTEM=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="df11", MODE="0660", GROUP="plugdev"
-
         # WCH-LinkE
         SUBSYSTEMS=="usb", ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="8010", MODE="0660", GROUP="plugdev"
 
@@ -53,10 +42,6 @@
         # Glasgow
         SUBSYSTEM=="usb", ATTRS{idVendor}=="20b7", ATTRS{idProduct}=="9db1", MODE="0660", GROUP="plugdev"
 
-        # Cynthion
-        SUBSYSTEM=="usb", ATTRS{idVendor}=="1d50", ATTRS{idProduct}=="615b", MODE="0660", GROUP="plugdev"
-        SUBSYSTEM=="usb", ATTRS{idVendor}=="1d50", ATTRS{idProduct}=="615c", MODE="0660", GROUP="plugdev"
-
         # Shared V-USB VID:PID for use with various homebrew stuff
         ATTRS{idVendor}=="16c0", ATTRS{idProduct}=="05dc", MODE="0660", GROUP="plugdev"
         ATTRS{idVendor}=="16c0", ATTRS{idProduct}=="05df", MODE="0660", GROUP="plugdev"