diff --git a/src/backends/backendsCommon/test/layerTests/GreaterTestImpl.hpp b/src/backends/backendsCommon/test/layerTests/GreaterTestImpl.hpp
index 39f3a39..060fc28 100644
--- a/src/backends/backendsCommon/test/layerTests/GreaterTestImpl.hpp
+++ b/src/backends/backendsCommon/test/layerTests/GreaterTestImpl.hpp
@@ -21,6 +21,18 @@
         armnn::IWorkloadFactory& workloadFactory,
         const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
 
+LayerTestResult<uint8_t, 4> GreaterFloat16Test(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+LayerTestResult<uint8_t, 4> GreaterBroadcast1ElementFloat16Test(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
+LayerTestResult<uint8_t, 4> GreaterBroadcast1DVectorFloat16Test(
+        armnn::IWorkloadFactory& workloadFactory,
+        const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);
+
 LayerTestResult<uint8_t, 4> GreaterUint8Test(
         armnn::IWorkloadFactory& workloadFactory,
         const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager);