diff --git a/gdb/nat/loongarch-linux-hw-point.c b/gdb/nat/loongarch-linux-hw-point.c
index 002553a5b51..9c39cceb336 100644
--- a/gdb/nat/loongarch-linux-hw-point.c
+++ b/gdb/nat/loongarch-linux-hw-point.c
@@ -220,19 +220,6 @@ loongarch_linux_get_debug_reg_capacity (int tid)
     }
 }
 
-/* Return the debug register state for process PID.  If no existing
-   state is found for this process, return nullptr.  */
-
-struct loongarch_debug_reg_state *
-loongarch_lookup_debug_reg_state (pid_t pid)
-{
-  auto it = loongarch_debug_process_state.find (pid);
-  if (it != loongarch_debug_process_state.end ())
-    return &it->second;
-
-  return nullptr;
-}
-
 /* Return the debug register state for process PID.  If no existing
    state is found for this process, create new state.  */
 
diff --git a/gdb/nat/loongarch-linux-hw-point.h b/gdb/nat/loongarch-linux-hw-point.h
index fb722aab50c..161db9270ff 100644
--- a/gdb/nat/loongarch-linux-hw-point.h
+++ b/gdb/nat/loongarch-linux-hw-point.h
@@ -108,11 +108,6 @@ void loongarch_linux_set_debug_regs (struct loongarch_debug_reg_state *state,
 
 void loongarch_linux_get_debug_reg_capacity (int tid);
 
-/* Return the debug register state for process PID.  If no existing
-   state is found for this process, return nullptr.  */
-
-struct loongarch_debug_reg_state *loongarch_lookup_debug_reg_state (pid_t pid);
-
 /* Return the debug register state for process PID.  If no existing
    state is found for this process, create new state.  */