diff --git a/hccl_ofi_wrapper_interface.h b/hccl_ofi_wrapper_interface.h
index 506b542..9c557fb 100644
--- a/hccl_ofi_wrapper_interface.h
+++ b/hccl_ofi_wrapper_interface.h
@@ -21,18 +21,17 @@ using ofi_plugin_interface_handle = std::unique_ptr<ofi_plugin_interface>;
 class ofi_plugin_interface
 {
 public:
-    virtual ~ofi_plugin_interface()                                             = default;
     virtual int             w_fi_getinfo(int                   version,
                                          const char*           node,
                                          const char*           service,
                                          uint64_t              flags,
                                          const struct fi_info* hints,
-                                         struct fi_info**      info)                 = 0;
-    virtual struct fi_info* w_fi_allocinfo()                                    = 0;
-    virtual void            w_fi_freeinfo(struct fi_info* info)                 = 0;
-    virtual const char*     w_fi_strerror(int err)                              = 0;
-    virtual char*           w_fi_tostr(const void* data, enum fi_type datatype) = 0;
-    virtual int             w_fi_close(fid_t domain)                            = 0;
+                                         struct fi_info**      info)                                                 = 0;
+    virtual struct fi_info* w_fi_allocinfo()                                                                    = 0;
+    virtual void            w_fi_freeinfo(struct fi_info* info)                                                 = 0;
+    virtual const char*     w_fi_strerror(int err)                                                              = 0;
+    virtual char*           w_fi_tostr(const void* data, enum fi_type datatype)                                 = 0;
+    virtual int             w_fi_close(fid_t domain)                                                            = 0;
     virtual int             w_fi_fabric(struct fi_fabric_attr* attr, struct fid_fabric** fabric, void* context) = 0;
     virtual int
     w_fi_domain(struct fid_fabric* fabric, struct fi_info* info, struct fid_domain** domain, void* context)         = 0;