diff --git a/include/aidge/backend/cpu/operator/ConvDepthWiseImpl_kernels.hpp b/include/aidge/backend/cpu/operator/ConvDepthWiseImpl_kernels.hpp
index e38177c82a7a25b7a0b060fc8fb8294738ecf3a4..c39cf9cccb41905653c508b985cf27253e20f686 100644
--- a/include/aidge/backend/cpu/operator/ConvDepthWiseImpl_kernels.hpp
+++ b/include/aidge/backend/cpu/operator/ConvDepthWiseImpl_kernels.hpp
@@ -57,8 +57,6 @@ void ConvDepthWiseImpl1D_cpu_forward_kernel(const std::array<DimSize_t, 1>& stri
     const std::size_t oxSize =
             static_cast<std::size_t>(std::floor(static_cast<float>(inputDims[2] - dilated_kernel_x + strideDims[0]) /
                                 static_cast<float>(strideDims[0])));
-    const DimSize_t dilated_kernel_x = dilationDims[0]*(kernelDims[0] - 1) + 1;
-
 
 
     // TODO: kernel computation
@@ -139,13 +137,12 @@ void ConvDepthWiseImpl2D_cpu_forward_kernel(const std::array<DimSize_t, 2>& stri
     const std::size_t oxSize =
             static_cast<std::size_t>(std::floor(static_cast<float>(inputDims[2] - dilated_kernel_x + strideDims[0]) /
                                 static_cast<float>(strideDims[0])));
-    const DimSize_t dilated_kernel_x = dilationDims[0]*(kernelDims[0] - 1) + 1;
+
     // output W size
     const DimSize_t dilated_kernel_y = dilationDims[1]*(kernelDims[1] - 1) + 1;
     const std::size_t oySize =
             static_cast<std::size_t>(std::floor(static_cast<float>(inputDims[3] - dilated_kernel_y + strideDims[1]) /
                                 static_cast<float>(strideDims[1])));
-    const DimSize_t dilated_kernel_y = dilationDims[1]*(kernelDims[1] - 1) + 1;
 
     // TODO: kernel computation
     // output (batch, outCh, Xout, Yout)