diff --git a/src/backends/neon/NeonLayerSupport.cpp b/src/backends/neon/NeonLayerSupport.cpp
index d9bde26..154108e 100644
--- a/src/backends/neon/NeonLayerSupport.cpp
+++ b/src/backends/neon/NeonLayerSupport.cpp
@@ -461,11 +461,6 @@
                                            reasonIfUnsupported,
                                            input,
                                            output);
-        case UnaryOperation::Sin:
-            FORWARD_WORKLOAD_VALIDATE_FUNC(NeonSinWorkloadValidate,
-                                           reasonIfUnsupported,
-                                           input,
-                                           output);
         default:
             return false;
     }