diff --git a/vulkan.d b/vulkan.d
index af20304..49cbd35 100644
--- a/vulkan.d
+++ b/vulkan.d
@@ -686,7 +686,7 @@ CreateBuffer(Vulkan* vk, Buffer* buf, BufferType type, u64 size, bool host_visib
 	VmaAllocationInfo vma_info;
 	VkResult result = vmaCreateBuffer(vk.vma, &buffer_info, &alloc_info, &buf.buffer, &buf.alloc, &vma_info);
 	// TODO: handle errors here then reallocate buffer
-	assert(VkCheck("CreateBuffer failure: vmaCreateBuffer error", result), "CreateBuffer failure");
+	VkCheck("CreateBuffer failure: vmaCreateBuffer error", result);
 
 	buf.size = buffer_size;
 	buf.dynamic = dynamic;
@@ -1074,13 +1074,15 @@ CreateImageView(Vulkan* vk, ImageView* view, u32 w, u32 h, u32 ch, u8[] data)
 
 	if(ch == 4)
 	{
-		assert(Transfer(vk, view, data, w, h), "CreateImageView failure: Image Transfer error");
+		bool result = Transfer(vk, view, data, w, h);
+		assert(result);
 	}
 	else
 	{
 		Buffer buf;
 		CreateBuffer(vk, &buf, BT.Storage, w * h * ch, false);
-		assert(Transfer(vk, &buf, data), "CreateImageView failure: Buffer Transfer error");
+		bool result = Transfer(vk, &buf, data)
+		assert(result, "CreateImageView failure: Buffer Transfer error");
 
 		ImageView conv_view;
 		CreateImageView(vk, &conv_view, w, h, FMT.RGBA_F32, IU.Convert);
@@ -1228,7 +1230,7 @@ CreateImageView(Vulkan* vk, ImageView* view, u32 w, u32 h, Format format, ImageU
 
 	VkResult result = vmaCreateImage(vk.vma, &image_info, &alloc_info, &view.image, &view.alloc, null);
 	// TODO: handle errors and realloc
-	assert(VkCheck("CreateImageView failure: vmaCreateImage error", result), "CreateImageView failure");
+	VkCheck("CreateImageView failure: vmaCreateImage error", result);
 
 	VkImageViewCreateInfo view_info = {
 		sType: VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
@@ -1244,7 +1246,7 @@ CreateImageView(Vulkan* vk, ImageView* view, u32 w, u32 h, Format format, ImageU
 
 	result = vkCreateImageView(vk.device, &view_info, null, &view.view);
 	// TODO: also handle here
-	assert(VkCheck("CreateImageView failure: vkCreateImageView error", result), "CreateImageView failure");
+	VkCheck("CreateImageView failure: vkCreateImageView error", result);
 
 	view.layout = VK_IMAGE_LAYOUT_UNDEFINED;
 	view.format = format;
@@ -1950,7 +1952,7 @@ CreateComputePipeline(Vulkan* vk, CompPipelineInfo* comp_info)
 	};
 
 	Shader comp_module;
-	assert(BuildShader(vk, &comp_module, comp_info.shader), "Unable to build compute shader");
+	BuildShader(vk, &comp_module, comp_info.shader);
 	scope(exit) Destroy(vk, comp_module);
 
 	__traits(getMember, &info.stage, "module") = comp_module;
@@ -1974,7 +1976,7 @@ CreateComputePipeline(Vulkan* vk, CompPipelineInfo* comp_info)
 	Pipeline pipeline_handle = pipeline.index;
 
 	VkResult result = vkCreateComputePipelines(vk.device, null, 1, &info, null, &pipeline.handle);
-	assert(VkCheck("CreateComputePipeline failure", result), "Unable to build pipeline");
+	VkCheck("CreateComputePipeline failure", result);
 
 	return pipeline_handle;
 }