diff --git a/src/core/cpu/kernels/CpuConcatenateDepthKernel.cpp b/src/core/cpu/kernels/CpuConcatenateDepthKernel.cpp
index f64c282..d8eed44 100644
--- a/src/core/cpu/kernels/CpuConcatenateDepthKernel.cpp
+++ b/src/core/cpu/kernels/CpuConcatenateDepthKernel.cpp
@@ -179,11 +179,7 @@
     }
 
     // Configure kernel window
-    Window      win = calculate_max_window(*dst, Steps());
-    Coordinates coord;
-    coord.set_num_dimensions(dst->num_dimensions());
-
-    dst->set_valid_region(ValidRegion(coord, dst->tensor_shape()));
+    Window win = calculate_max_window(*dst, Steps());
     ICpuKernel::configure(win);
 }