diff --git a/.gitea/workflows/1.4-CTS.yml b/.gitea/workflows/1.4-CTS.yml
index 83ea2be..fa9621a 100644
--- a/.gitea/workflows/1.4-CTS.yml
+++ b/.gitea/workflows/1.4-CTS.yml
@@ -17,7 +17,7 @@ jobs:
     - name: Install system dependencies
       run: |
         apt update
-        apt install -y libgl1 libwayland-egl1 libwayland-cursor0 clang
+        apt install -y libgl1 libwayland-egl1 libwayland-cursor0 clang libwayland-server0
 
     - name: Building
       run: zig build
diff --git a/.gitea/workflows/Test.yml b/.gitea/workflows/Test.yml
index a1fd608..5dd3f48 100644
--- a/.gitea/workflows/Test.yml
+++ b/.gitea/workflows/Test.yml
@@ -20,7 +20,7 @@ jobs:
     - name: Install system dependencies
       run: |
         apt update
-        apt install -y libgl1 libwayland-egl1 libwayland-cursor0 clang
+        apt install -y libgl1 libwayland-egl1 libwayland-cursor0 clang libwayland-server0
 
     - name: Building
       run: zig build
@@ -61,7 +61,7 @@ jobs:
         which deqp-runner && deqp-runner --version || echo "deqp-runner not found"
 
     - name: Run Vulkan CTS
-      run: zig build cts-soft
+      run: zig build cts-soft -- -j4
       continue-on-error: true
 
     - name: Verify tests
diff --git a/src/vulkan/lib.zig b/src/vulkan/lib.zig
index 6a8d40e..670023d 100644
--- a/src/vulkan/lib.zig
+++ b/src/vulkan/lib.zig
@@ -58,20 +58,7 @@ pub const VULKAN_VERSION = vk.makeApiVersion(0, 1, 0, 0);
 /// Maximum number of descriptor sets per pipeline
 pub const VULKAN_MAX_DESCRIPTOR_SETS = 32;
 
-/// From the Vulkan 1.3.274 spec:
-///
-///    VUID-VkPipelineLayoutCreateInfo-pPushConstantRanges-00292
-///
-///    "Any two elements of pPushConstantRanges must not include the same
-///    stage in stageFlags"
-///
-/// and
-///
-///    VUID-VkPushConstantRange-stageFlags-requiredbitmask
-///
-///    "stageFlags must not be 0"
-///
-/// This means that the number of push constant ranges is effectively bounded
+/// The number of push constant ranges is effectively bounded
 /// by the number of possible shader stages.  Not the number of stages that can
 /// be compiled together (a pipeline layout can be used in multiple pipelnes
 /// wth different sets of shaders) but the total number of stage bits supported