diff --git a/sycl/include/CL/sycl/handler.hpp b/sycl/include/CL/sycl/handler.hpp
index 7ec129a2c4463..0642f36588b6c 100644
--- a/sycl/include/CL/sycl/handler.hpp
+++ b/sycl/include/CL/sycl/handler.hpp
@@ -885,6 +885,8 @@ class __SYCL_EXPORT handler {
 #endif
 #ifdef __SYCL_DEVICE_ONLY__
     KernelFunc();
+#else
+    (void)KernelFunc;
 #endif
   }
 
@@ -899,6 +901,9 @@ class __SYCL_EXPORT handler {
 #endif
 #ifdef __SYCL_DEVICE_ONLY__
     KernelFunc(KH);
+#else
+    (void)KernelFunc;
+    (void)KH;
 #endif
   }
 
@@ -913,6 +918,8 @@ class __SYCL_EXPORT handler {
 #endif
 #ifdef __SYCL_DEVICE_ONLY__
     KernelFunc(detail::Builder::getElement(detail::declptr<ElementType>()));
+#else
+    (void)KernelFunc;
 #endif
   }
 
@@ -927,6 +934,9 @@ class __SYCL_EXPORT handler {
 #endif
 #ifdef __SYCL_DEVICE_ONLY__
     KernelFunc(detail::Builder::getElement(detail::declptr<ElementType>()), KH);
+#else
+    (void)KernelFunc;
+    (void)KH;
 #endif
   }
 
@@ -941,6 +951,8 @@ class __SYCL_EXPORT handler {
 #endif
 #ifdef __SYCL_DEVICE_ONLY__
     KernelFunc(detail::Builder::getElement(detail::declptr<ElementType>()));
+#else
+    (void)KernelFunc;
 #endif
   }
 
@@ -956,6 +968,9 @@ class __SYCL_EXPORT handler {
 #endif
 #ifdef __SYCL_DEVICE_ONLY__
     KernelFunc(detail::Builder::getElement(detail::declptr<ElementType>()), KH);
+#else
+    (void)KernelFunc;
+    (void)KH;
 #endif
   }