diff --git a/neuralnetworks/1.2/vts/functional/CompilationCachingTests.cpp b/neuralnetworks/1.2/vts/functional/CompilationCachingTests.cpp
index adbf224..b66dd64 100644
--- a/neuralnetworks/1.2/vts/functional/CompilationCachingTests.cpp
+++ b/neuralnetworks/1.2/vts/functional/CompilationCachingTests.cpp
@@ -41,8 +41,11 @@
 namespace vts {
 namespace functional {
 
+using ::android::hardware::neuralnetworks::V1_0::OperandLifeTime;
+using ::android::hardware::neuralnetworks::V1_1::ExecutionPreference;
 using ::android::hardware::neuralnetworks::V1_2::implementation::ExecutionCallback;
 using ::android::hardware::neuralnetworks::V1_2::implementation::PreparedModelCallback;
+using ::android::hidl::memory::V1_0::IMemory;
 using ::android::nn::allocateSharedMemory;
 using ::test_helper::MixedTypedExample;
 
diff --git a/neuralnetworks/1.2/vts/functional/GeneratedTestHarness.cpp b/neuralnetworks/1.2/vts/functional/GeneratedTestHarness.cpp
index c3578cd..495f3ec 100644
--- a/neuralnetworks/1.2/vts/functional/GeneratedTestHarness.cpp
+++ b/neuralnetworks/1.2/vts/functional/GeneratedTestHarness.cpp
@@ -49,9 +49,13 @@
 using ::android::hardware::neuralnetworks::V1_0::Request;
 using ::android::hardware::neuralnetworks::V1_0::RequestArgument;
 using ::android::hardware::neuralnetworks::V1_1::ExecutionPreference;
+using ::android::hardware::neuralnetworks::V1_2::Constant;
 using ::android::hardware::neuralnetworks::V1_2::IDevice;
 using ::android::hardware::neuralnetworks::V1_2::IPreparedModel;
+using ::android::hardware::neuralnetworks::V1_2::MeasureTiming;
 using ::android::hardware::neuralnetworks::V1_2::Model;
+using ::android::hardware::neuralnetworks::V1_2::OutputShape;
+using ::android::hardware::neuralnetworks::V1_2::Timing;
 using ::android::hardware::neuralnetworks::V1_2::implementation::ExecutionCallback;
 using ::android::hardware::neuralnetworks::V1_2::implementation::PreparedModelCallback;
 using ::android::hidl::memory::V1_0::IMemory;
diff --git a/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_0.cpp b/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_0.cpp
index b4e6696..6fbd1dc 100644
--- a/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_0.cpp
+++ b/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_0.cpp
@@ -34,8 +34,10 @@
 namespace vts {
 namespace functional {
 
+using ::android::hardware::neuralnetworks::V1_0::OperandLifeTime;
 using ::android::hardware::neuralnetworks::V1_2::implementation::ExecutionCallback;
 using ::android::hardware::neuralnetworks::V1_2::implementation::PreparedModelCallback;
+using ::android::hidl::memory::V1_0::IMemory;
 using ::android::nn::allocateSharedMemory;
 using ::test_helper::MixedTypedExample;
 
diff --git a/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_1.cpp b/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_1.cpp
index 33212fb..d824e43 100644
--- a/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_1.cpp
+++ b/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_1.cpp
@@ -34,8 +34,10 @@
 namespace vts {
 namespace functional {
 
+using ::android::hardware::neuralnetworks::V1_0::OperandLifeTime;
 using ::android::hardware::neuralnetworks::V1_2::implementation::ExecutionCallback;
 using ::android::hardware::neuralnetworks::V1_2::implementation::PreparedModelCallback;
+using ::android::hidl::memory::V1_0::IMemory;
 using ::android::nn::allocateSharedMemory;
 using ::test_helper::MixedTypedExample;
 
diff --git a/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_2.cpp b/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_2.cpp
index 8481b4d..1928b8c 100644
--- a/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_2.cpp
+++ b/neuralnetworks/1.2/vts/functional/GeneratedTestsV1_2.cpp
@@ -34,8 +34,10 @@
 namespace vts {
 namespace functional {
 
+using ::android::hardware::neuralnetworks::V1_0::OperandLifeTime;
 using ::android::hardware::neuralnetworks::V1_2::implementation::ExecutionCallback;
 using ::android::hardware::neuralnetworks::V1_2::implementation::PreparedModelCallback;
+using ::android::hidl::memory::V1_0::IMemory;
 using ::android::nn::allocateSharedMemory;
 using ::test_helper::MixedTypedExample;
 
diff --git a/neuralnetworks/1.2/vts/functional/ValidateRequest.cpp b/neuralnetworks/1.2/vts/functional/ValidateRequest.cpp
index a7e8328..cf5905f 100644
--- a/neuralnetworks/1.2/vts/functional/ValidateRequest.cpp
+++ b/neuralnetworks/1.2/vts/functional/ValidateRequest.cpp
@@ -35,6 +35,7 @@
 namespace vts {
 namespace functional {
 
+using ::android::hardware::neuralnetworks::V1_0::RequestArgument;
 using ::android::hardware::neuralnetworks::V1_2::implementation::ExecutionCallback;
 using ::android::hidl::memory::V1_0::IMemory;
 using test_helper::for_all;