diff --git a/test_conformance/vulkan/test_vulkan_api_consistency.cpp b/test_conformance/vulkan/test_vulkan_api_consistency.cpp
index 5305e48c..bd19987b 100644
--- a/test_conformance/vulkan/test_vulkan_api_consistency.cpp
+++ b/test_conformance/vulkan/test_vulkan_api_consistency.cpp
@@ -29,6 +29,7 @@
 #include <vector>
 #include <iostream>
 #include <string.h>
+#include <inttypes.h>
 #include "harness/testHarness.h"
 #include "harness/typeWrappers.h"
 #include "harness/deviceInfo.h"
@@ -236,7 +237,7 @@ struct ConsistencyExternalImageTest : public VulkanTestBase
         log_info("Memory type index: %u\n", (uint32_t)memoryTypeList[0]);
         log_info("Memory type property: %d\n",
                  memoryTypeList[0].getMemoryTypeProperty());
-        log_info("Image size : %ld\n", vkImage2D.getSize());
+        log_info("Image size : %" PRIu64 "\n", vkImage2D.getSize());
 
         VulkanDeviceMemory* vkDeviceMem =
             new VulkanDeviceMemory(*vkDevice, vkImage2D, memoryTypeList[0],
diff --git a/test_conformance/vulkan/test_vulkan_api_consistency_for_1dimages.cpp b/test_conformance/vulkan/test_vulkan_api_consistency_for_1dimages.cpp
index ef7ae348..c979fb19 100644
--- a/test_conformance/vulkan/test_vulkan_api_consistency_for_1dimages.cpp
+++ b/test_conformance/vulkan/test_vulkan_api_consistency_for_1dimages.cpp
@@ -29,6 +29,7 @@
 #include <vector>
 #include <iostream>
 #include <string.h>
+#include <inttypes.h>
 #include "harness/testHarness.h"
 #include "harness/typeWrappers.h"
 #include "harness/deviceInfo.h"
@@ -94,7 +95,7 @@ struct ConsistencyExternalImage1DTest : public VulkanTestBase
         log_info("Memory type index: %u\n", (uint32_t)memoryTypeList[0]);
         log_info("Memory type property: %d\n",
                  memoryTypeList[0].getMemoryTypeProperty());
-        log_info("Image size : %lu\n", vkImage1D.getSize());
+        log_info("Image size : %" PRIu64 "\n", vkImage1D.getSize());
 
         VulkanDeviceMemory* vkDeviceMem =
             new VulkanDeviceMemory(*vkDevice, vkImage1D, memoryTypeList[0],
diff --git a/test_conformance/vulkan/test_vulkan_api_consistency_for_3dimages.cpp b/test_conformance/vulkan/test_vulkan_api_consistency_for_3dimages.cpp
index 3d697b0e..a21eea7b 100644
--- a/test_conformance/vulkan/test_vulkan_api_consistency_for_3dimages.cpp
+++ b/test_conformance/vulkan/test_vulkan_api_consistency_for_3dimages.cpp
@@ -29,6 +29,7 @@
 #include <vector>
 #include <iostream>
 #include <string.h>
+#include <inttypes.h>
 #include "harness/testHarness.h"
 #include "harness/typeWrappers.h"
 #include "harness/deviceInfo.h"
@@ -96,7 +97,7 @@ struct ConsistencyExternalImage3DTest : public VulkanTestBase
         log_info("Memory type index: %u\n", (uint32_t)memoryTypeList[0]);
         log_info("Memory type property: %d\n",
                  memoryTypeList[0].getMemoryTypeProperty());
-        log_info("Image size : %lu\n", vkImage3D.getSize());
+        log_info("Image size : %" PRIu64 "\n", vkImage3D.getSize());
 
         VulkanDeviceMemory* vkDeviceMem =
             new VulkanDeviceMemory(*vkDevice, vkImage3D, memoryTypeList[0],
diff --git a/test_conformance/vulkan/test_vulkan_interop_buffer.cpp b/test_conformance/vulkan/test_vulkan_interop_buffer.cpp
index f50c457a..e39641f1 100644
--- a/test_conformance/vulkan/test_vulkan_interop_buffer.cpp
+++ b/test_conformance/vulkan/test_vulkan_interop_buffer.cpp
@@ -1226,7 +1226,7 @@ int run_test_with_multi_import_diff_ctx(
             vkCommandBuffer.dispatch(512, 1, 1);
             vkCommandBuffer.end();
 
-            for (uint32_t i = 0; i < numImports; i++)
+            for (int i = 0; i < numImports; i++)
             {
                 update_buffer_kernel1[i] = (numBuffers == 1)
                     ? kernel1[0]