diff --git a/nixos/tests/cloud-init.nix b/nixos/tests/cloud-init.nix
index 9feb8d5c1526..a86cd569e421 100644
--- a/nixos/tests/cloud-init.nix
+++ b/nixos/tests/cloud-init.nix
@@ -60,6 +60,7 @@ in makeTest {
   name = "cloud-init";
   meta = with pkgs.lib.maintainers; {
     maintainers = [ lewo ];
+    broken = true; # almost always times out after spending many hours
   };
   nodes.machine = { ... }:
   {
diff --git a/nixos/tests/custom-ca.nix b/nixos/tests/custom-ca.nix
index 73e47c3c9d0d..25a7b6fdea46 100644
--- a/nixos/tests/custom-ca.nix
+++ b/nixos/tests/custom-ca.nix
@@ -191,5 +191,5 @@ in
   firefox = { error = "Security Risk"; };
   chromium = { error = "not private"; };
   qutebrowser = { args = "-T"; error = "Certificate error"; };
-  midori = { error = "Security"; };
+  midori = { args = "-p"; error = "Security"; };
 }
diff --git a/nixos/tests/domination.nix b/nixos/tests/domination.nix
index 09027740ab8d..409a7f3029c4 100644
--- a/nixos/tests/domination.nix
+++ b/nixos/tests/domination.nix
@@ -20,7 +20,7 @@ import ./make-test-python.nix ({ pkgs, ... }: {
       machine.wait_for_x()
       machine.execute("domination >&2 &")
       machine.wait_for_window("Menu")
-      machine.wait_for_text("New Game")
+      machine.wait_for_text(r"(New Game|Start Server|Load Game|Help Manual|Join Game|About|Play Online)")
       machine.screenshot("screen")
     '';
 })
diff --git a/nixos/tests/matrix/mjolnir.nix b/nixos/tests/matrix/mjolnir.nix
index cb843e2e9e3e..b1ac55d951ce 100644
--- a/nixos/tests/matrix/mjolnir.nix
+++ b/nixos/tests/matrix/mjolnir.nix
@@ -32,6 +32,7 @@ import ../make-test-python.nix (
     name = "mjolnir";
     meta = with pkgs.lib; {
       maintainers = teams.matrix.members;
+      broken = true; # times out after spending many hours
     };
 
     nodes = {
diff --git a/nixos/tests/systemd-cryptenroll.nix b/nixos/tests/systemd-cryptenroll.nix
index 055ae7d1681f..9ee2d280fbbe 100644
--- a/nixos/tests/systemd-cryptenroll.nix
+++ b/nixos/tests/systemd-cryptenroll.nix
@@ -2,6 +2,7 @@ import ./make-test-python.nix ({ pkgs, ... }: {
   name = "systemd-cryptenroll";
   meta = with pkgs.lib.maintainers; {
     maintainers = [ ymatsiuk ];
+    broken = true; # times out after two hours, details -> https://github.com/NixOS/nixpkgs/issues/167994
   };
 
   nodes.machine = { pkgs, lib, ... }: {
diff --git a/nixos/tests/terminal-emulators.nix b/nixos/tests/terminal-emulators.nix
index c724608b9155..4269d05056d8 100644
--- a/nixos/tests/terminal-emulators.nix
+++ b/nixos/tests/terminal-emulators.nix
@@ -23,8 +23,9 @@ with pkgs.lib;
 let tests = {
       alacritty.pkg = p: p.alacritty;
 
-      contour.pkg = p: p.contour;
-      contour.cmd = "contour $command";
+      # times out after spending many hours
+      #contour.pkg = p: p.contour;
+      #contour.cmd = "contour $command";
 
       cool-retro-term.pkg = p: p.cool-retro-term;
       cool-retro-term.colourTest = false; # broken by gloss effect
@@ -103,7 +104,8 @@ let tests = {
       wayst.pkg = p: p.wayst;
       wayst.pinkValue = "#FF0066";
 
-      wezterm.pkg = p: p.wezterm;
+      # times out after spending many hours
+      #wezterm.pkg = p: p.wezterm;
 
       xfce4-terminal.pkg = p: p.xfce.xfce4-terminal;
 
diff --git a/nixos/tests/wine.nix b/nixos/tests/wine.nix
index 8a64c3179c51..7cbe7ac94f1e 100644
--- a/nixos/tests/wine.nix
+++ b/nixos/tests/wine.nix
@@ -44,5 +44,8 @@ in
 listToAttrs (
   map (makeWineTest "winePackages" [ hello32 ]) variants
   ++ optionals pkgs.stdenv.is64bit
-    (map (makeWineTest "wineWowPackages" [ hello32 hello64 ]) variants)
+    (map (makeWineTest "wineWowPackages" [ hello32 hello64 ])
+         # This wayland combination times out after spending many hours.
+         # https://hydra.nixos.org/job/nixos/trunk-combined/nixos.tests.wine.wineWowPackages-wayland.x86_64-linux
+         (pkgs.lib.remove "wayland" variants))
 )