diff --git a/include/aidge/backend/cpu/operator/ConvImpl_kernels.hpp b/include/aidge/backend/cpu/operator/ConvImpl_kernels.hpp
index b08890c6f1593ac77e42516dfac2aff556422f41..1229d5714e6b0cbae4e42ece9130c2c2305f133e 100644
--- a/include/aidge/backend/cpu/operator/ConvImpl_kernels.hpp
+++ b/include/aidge/backend/cpu/operator/ConvImpl_kernels.hpp
@@ -268,9 +268,6 @@ REGISTRAR(ConvImpl2D_cpu,
 REGISTRAR(ConvImpl2D_cpu,
     {{DataType::Any, DataFormat::NCHW}, {DataType::Int32, DataFormat::NCHW}},
     {ProdConso::inPlaceModel, Aidge::ConvImpl2D_cpu_forward_kernel<int32_t, int32_t, int32_t, int32_t>, nullptr});
-REGISTRAR(ConvImpl2D_cpu,
-    {{DataType::Any, DataFormat::NCHW}, {DataType::Int4, DataFormat::NCHW}},
-    {ProdConso::inPlaceModel, nullptr, nullptr});
 REGISTRAR(ConvImpl2D_cpu,
     {{DataType::Any, DataFormat::NCHW}, {DataType::Float64, DataFormat::NCHW}},
     {ProdConso::inPlaceModel, Aidge::ConvImpl2D_cpu_forward_kernel<double, double, double, double>, nullptr});