diff --git a/hosts/nb-new.cloonar.com/users/dominik.nix b/hosts/nb-new.cloonar.com/users/dominik.nix
index fab0daf..90a5e4c 100644
--- a/hosts/nb-new.cloonar.com/users/dominik.nix
+++ b/hosts/nb-new.cloonar.com/users/dominik.nix
@@ -282,12 +282,6 @@ in
             sha256 = "sha256:01nm7p0v3lcvx8bkinq2rr0divvqgf5d2a757lg8m21ccmznqkpc";
             version = "1.0";
           })
-          (createChromiumExtension {
-            # Workona
-            id = "ailcmbgekjpnablpdkmaaccecekgdhlh";
-            sha256 = "sha256:107q2knys6xq2sszcmg49f23asp92i5adb46yz18wxn3yc2cybb7";
-            version = "3.1.33";
-          })
           (createChromiumExtension {
             # Vimium
             id = "dbepggeogbaibhgnhhndojpepiihcmeb";
@@ -295,10 +289,10 @@ in
             version = "2.1.2";
           })
           (createChromiumExtension {
-            # Session Buddy
-            id = "edacconmaakjimmfgnblocblbcdcpbko";
-            sha256 = "sha256:0llfw93gi19n6vnx4dbw6qrws0papkyrlrw9vy7v3pcf4abljq7x";
-            version = "4.0.4";
+            # BrainTool
+            id = "fialfmcgpibjgdoeodaondepigiiddio";
+            sha256 = "sha256:0b59dv6hd8dmi6qmkijc4v61m03wgkx102dm178z5g0wwrvhk2jm";
+            version = "1.0.3";
           })
         ];
 
diff --git a/linux-rockchip b/linux-rockchip
deleted file mode 160000
index 9680c56..0000000
--- a/linux-rockchip
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9680c56a0804b400d92df783009459ccee05b027