diff --git a/src/plugins/platforms/android/CMakeLists.txt b/src/plugins/platforms/android/CMakeLists.txt
index 632b1c1d424..d2edcae67ff 100644
--- a/src/plugins/platforms/android/CMakeLists.txt
+++ b/src/plugins/platforms/android/CMakeLists.txt
@@ -87,4 +87,7 @@ qt_internal_extend_target(QAndroidIntegrationPlugin CONDITION QT_FEATURE_vulkan
     SOURCES
         qandroidplatformvulkaninstance.cpp qandroidplatformvulkaninstance.h
         qandroidplatformvulkanwindow.cpp qandroidplatformvulkanwindow.h
+    NO_UNITY_BUILD_SOURCES
+        # To avoid undefined symbols due to missing VK_USE_PLATFORM_ANDROID_KHR
+        qandroidplatformvulkaninstance.cpp qandroidplatformvulkanwindow.cpp
 )