diff --git a/tensorflow/lite/c/c_api_internal.h b/tensorflow/lite/c/c_api_internal.h
index 24f0e05b4ca..55920dfd93d 100644
--- a/tensorflow/lite/c/c_api_internal.h
+++ b/tensorflow/lite/c/c_api_internal.h
@@ -466,46 +466,6 @@ typedef struct TfLiteContext {
   TfLiteStatus (*AddTensors)(struct TfLiteContext*, int tensors_to_add,
                              int* first_new_tensor_index);
 
-  // Allocate memory for op data. This method should only be used in `Init`
-  // method and the allocated memory will be available until `Free` method is
-  // called.
-  // On TFL, it allocates memory from heap using malloc, but for micro, this
-  // will be allocating from the allocator.
-  // WARNING: This is an experimental interface that is subject to change.
-  void* (*AllocateOpData)(struct TfLiteContext* ctx, size_t size);
-
-  // Deallocate memory holding op data. This method should only be used inside
-  // `Free` method. Caller needs to make sure that that `buffer` is allocated by
-  // `AllocateOpData` method.
-  // On TFL, it will free the buffer, and for micro, this method is a no-op.
-  // WARNING: This is an experimental interface that is subject to change.
-  void (*DeallocateOpData)(struct TfLiteContext* ctx, void* buffer);
-
-  // Allocate a temporary tensor to the node. This method also makes a copy of
-  // the shape array internally so the shape array could be deallocated right
-  // afterwards. WARNING: This is an experimental interface that is subject to
-  // change.
-  TfLiteStatus (*AllocateTemporaryTensor)(struct TfLiteContext* ctx,
-                                          TfLiteNode* node, int dims,
-                                          int* shape, TfLiteType data_type,
-                                          TfLiteAllocationType allocation_type,
-                                          int* new_tensor_index);
-
-  // Deallocate all temporary tensors associated to the node (including
-  // kTfLiteArenaRwPersistent persistent tensors). It also deallocates
-  // all the shape tensors.
-  // WARNING: This is an experimental interface that is subject to change.
-  void (*DeallocateAllTemporaryTensors)(struct TfLiteContext* ctx,
-                                        TfLiteNode* node);
-
-  // Resize the memory pointer of the `tensor`. This method behaves the same as
-  // `ResizeTensor`, except that it makes a copy of the shape array internally
-  // so the shape array could be deallocated right afterwards.
-  // WARNING: This is an experimental interface that is subject to change.
-  TfLiteStatus (*ResizeTensorExplicit)(struct TfLiteContext* ctx,
-                                       TfLiteTensor* tensor, int dims,
-                                       const int* shape);
-
   // Get a Tensor node by node_index.
   // WARNING: This is an experimental interface that is subject to change.
   TfLiteStatus (*GetNodeAndRegistration)(
diff --git a/tensorflow/lite/experimental/c/c_api_types.h b/tensorflow/lite/experimental/c/c_api_types.h
index 24f0e05b4ca..55920dfd93d 100644
--- a/tensorflow/lite/experimental/c/c_api_types.h
+++ b/tensorflow/lite/experimental/c/c_api_types.h
@@ -466,46 +466,6 @@ typedef struct TfLiteContext {
   TfLiteStatus (*AddTensors)(struct TfLiteContext*, int tensors_to_add,
                              int* first_new_tensor_index);
 
-  // Allocate memory for op data. This method should only be used in `Init`
-  // method and the allocated memory will be available until `Free` method is
-  // called.
-  // On TFL, it allocates memory from heap using malloc, but for micro, this
-  // will be allocating from the allocator.
-  // WARNING: This is an experimental interface that is subject to change.
-  void* (*AllocateOpData)(struct TfLiteContext* ctx, size_t size);
-
-  // Deallocate memory holding op data. This method should only be used inside
-  // `Free` method. Caller needs to make sure that that `buffer` is allocated by
-  // `AllocateOpData` method.
-  // On TFL, it will free the buffer, and for micro, this method is a no-op.
-  // WARNING: This is an experimental interface that is subject to change.
-  void (*DeallocateOpData)(struct TfLiteContext* ctx, void* buffer);
-
-  // Allocate a temporary tensor to the node. This method also makes a copy of
-  // the shape array internally so the shape array could be deallocated right
-  // afterwards. WARNING: This is an experimental interface that is subject to
-  // change.
-  TfLiteStatus (*AllocateTemporaryTensor)(struct TfLiteContext* ctx,
-                                          TfLiteNode* node, int dims,
-                                          int* shape, TfLiteType data_type,
-                                          TfLiteAllocationType allocation_type,
-                                          int* new_tensor_index);
-
-  // Deallocate all temporary tensors associated to the node (including
-  // kTfLiteArenaRwPersistent persistent tensors). It also deallocates
-  // all the shape tensors.
-  // WARNING: This is an experimental interface that is subject to change.
-  void (*DeallocateAllTemporaryTensors)(struct TfLiteContext* ctx,
-                                        TfLiteNode* node);
-
-  // Resize the memory pointer of the `tensor`. This method behaves the same as
-  // `ResizeTensor`, except that it makes a copy of the shape array internally
-  // so the shape array could be deallocated right afterwards.
-  // WARNING: This is an experimental interface that is subject to change.
-  TfLiteStatus (*ResizeTensorExplicit)(struct TfLiteContext* ctx,
-                                       TfLiteTensor* tensor, int dims,
-                                       const int* shape);
-
   // Get a Tensor node by node_index.
   // WARNING: This is an experimental interface that is subject to change.
   TfLiteStatus (*GetNodeAndRegistration)(