diff --git a/libpldmresponder/bios_config.hpp b/libpldmresponder/bios_config.hpp
index 2d07593..6e27642 100644
--- a/libpldmresponder/bios_config.hpp
+++ b/libpldmresponder/bios_config.hpp
@@ -2,7 +2,7 @@
 
 #include "bios_attribute.hpp"
 #include "bios_table.hpp"
-#include "pldmd/dbus_impl_requester.hpp"
+#include "pldmd/instance_id.hpp"
 #include "requester/handler.hpp"
 
 #include <libpldm/bios_table.h>
@@ -74,13 +74,13 @@
      *  @param[in] dbusHandler - Dbus Handler
      *  @param[in] fd - socket descriptor to communicate to host
      *  @param[in] eid - MCTP EID of host firmware
-     *  @param[in] requester - pointer to Requester object
+     *  @param[in] instanceIdDb - pointer to an InstanceIdDb object
      *  @param[in] handler - PLDM request handler
      */
     explicit BIOSConfig(
         const char* jsonDir, const char* tableDir,
         pldm::utils::DBusHandler* const dbusHandler, int fd, uint8_t eid,
-        dbus_api::Requester* requester,
+        pldm::InstanceIdDb* instanceIdDb,
         pldm::requester::Handler<pldm::requester::Request>* handler);
 
     /** @brief Set attribute value on dbus and attribute value table
@@ -146,10 +146,10 @@
     /** @brief MCTP EID of host firmware */
     uint8_t eid;
 
-    /** @brief pointer to Requester object, primarily used to access API to
-     *  obtain PLDM instance id.
+    /** @brief pointer to an Instance ID database object, used to obtain PLDM
+     * instance IDs.
      */
-    dbus_api::Requester* requester;
+    pldm::InstanceIdDb* instanceIdDb;
 
     /** @brief PLDM request handler */
     pldm::requester::Handler<pldm::requester::Request>* handler;