diff --git a/ge/host_kernels/slice_kernel.cc b/ge/host_kernels/slice_kernel.cc
index 0867ec2f..c3274465 100644
--- a/ge/host_kernels/slice_kernel.cc
+++ b/ge/host_kernels/slice_kernel.cc
@@ -16,8 +16,6 @@
 
 #include "host_kernels/slice_kernel.h"
 
-#include <set>
-
 #include "common/ge_inner_error_codes.h"
 #include "common/op/ge_op_utils.h"
 #include "common/types.h"
@@ -33,30 +31,6 @@ const size_t kSliceInputSize = 3;
 const size_t kSliceInputIndexX = 0;
 const size_t kSliceInputIndexBegin = 1;
 const size_t kSliceInputIndexSize = 2;
-const std::set<ge::DataType> kSupportedDataTypeToLength = {
-    DT_BOOL,
-    DT_INT64,
-    DT_UINT64,
-    DT_FLOAT,
-    DT_INT32,
-    DT_UINT32,
-    DT_INT8,
-    DT_UINT8,
-    DT_INT16,
-    DT_UINT16,
-    DT_FLOAT16,
-    DT_DOUBLE,
-    DT_DUAL,
-    DT_DUAL_SUB_INT8,
-    DT_DUAL_SUB_UINT8,
-    DT_COMPLEX64,
-    DT_COMPLEX128,
-    DT_QINT8,
-    DT_QINT16,
-    DT_QINT32,
-    DT_QUINT8,
-    DT_QUINT16,
-};
 }  // namespace
 
 Status SliceKernel::Compute(const OpDescPtr attr, const std::vector<ConstGeTensorPtr> &input,
@@ -79,18 +53,9 @@ Status SliceKernel::Compute(const OpDescPtr attr, const std::vector<ConstGeTenso
     GELOGW("input tensor is nullptr.");
     return NOT_CHANGED;
   }
+
   // data type in input_x
   auto data_type = x_->GetTensorDesc().GetDataType();
-  // check supported
-  if (kSupportedDataTypeToLength.count(data_type) == 0) {
-    GELOGW("input_x data_type is [%s], does not supported!", TypeUtils::DataTypeToSerialString(data_type).c_str());
-    return NOT_CHANGED;
-  }
-  uint32_t type_size = 0;
-  bool is_success = TypeUtils::GetDataTypeLength(data_type, type_size);
-  if (!is_success) {
-    return NOT_CHANGED;
-  }
   // check data type of begin and size
   if (begin->GetTensorDesc().GetDataType() != DT_INT32 || size->GetTensorDesc().GetDataType() != DT_INT32) {
     GELOGW("Data type of begin and size for slice are not DT_INT32.");
@@ -104,7 +69,7 @@ Status SliceKernel::Compute(const OpDescPtr attr, const std::vector<ConstGeTenso
   GE_CHECK_NOTNULL(begin_data);
   GE_CHECK_NOTNULL(size_data);
 
-  size_t data_size = x_->GetData().size() / type_size;
+  size_t data_size = x_->GetData().size() / sizeof(int32_t);
   size_t begin_size = begin->GetData().size() / sizeof(int32_t);
   size_t size_size = size->GetData().size() / sizeof(int32_t);
   const ge::GeShape &x_shape = x_->GetTensorDesc().GetShape();