diff --git a/src/c_wrapper/wrap_cl_core.h b/src/c_wrapper/wrap_cl_core.h
index 6b53485b9f8d37b63c39f7eec3149c4c63641874..606ff40fdb2ebfa11d8a030f0ef987d9ac1cb4b0 100644
--- a/src/c_wrapper/wrap_cl_core.h
+++ b/src/c_wrapper/wrap_cl_core.h
@@ -93,7 +93,6 @@ error *create_buffer(clobj_t *buffer, clobj_t context, cl_mem_flags flags,
                      size_t size, void *hostbuf);
 error *buffer__get_sub_region(clobj_t *_sub_buf, clobj_t _buf, size_t orig,
                               size_t size, cl_mem_flags flags);
-error *buffer__getitem(clobj_t *_ret, clobj_t _buf, ssize_t start, ssize_t end);
 // Memory Object
 error *memory_object__release(clobj_t obj);
 error *memory_object__get_host_array(clobj_t, void **hostptr, size_t *size);