diff --git a/base/VulkanTools.cpp b/base/VulkanTools.cpp
index 994527da..67e71821 100644
--- a/base/VulkanTools.cpp
+++ b/base/VulkanTools.cpp
@@ -170,15 +170,13 @@ namespace vks
 
 			case VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL:
 				// Image will be used as a transfer source
-				// Make sure any reads from and writes to the image have been finished
-				imageMemoryBarrier.srcAccessMask = imageMemoryBarrier.srcAccessMask | VK_ACCESS_TRANSFER_READ_BIT;
+				// Make sure any reads from the image have been finished
 				imageMemoryBarrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
 				break;
 
 			case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL:
 				// Image will be used as a color attachment
 				// Make sure any writes to the color buffer have been finished
-				imageMemoryBarrier.srcAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
 				imageMemoryBarrier.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
 				break;