diff --git a/app/platform/platform.c b/app/platform/platform.c
index 74605654..8327e8b7 100755
--- a/app/platform/platform.c
+++ b/app/platform/platform.c
@@ -916,3 +916,8 @@ uint32_t platform_flash_mapped2phys (uint32_t mapped_addr)
   uint32_t meg = (b1 << 1) | b0;
   return mapped_addr - INTERNAL_FLASH_MAPPED_ADDRESS + meg * 0x100000;
 }
+
+void* platform_print_deprecation_note( const char *msg, const char *time_frame)
+{
+  c_printf( "Warning, deprecated API! %s. It will be removed %s. See documentation for details.\n", msg, time_frame );
+}
diff --git a/app/platform/platform.h b/app/platform/platform.h
index 8861f99a..a1ab812b 100644
--- a/app/platform/platform.h
+++ b/app/platform/platform.h
@@ -302,6 +302,9 @@ int platform_gpio_exists( unsigned id );
 int platform_tmr_exists( unsigned id );
 
 // *****************************************************************************
+
+void* platform_print_deprecation_note( const char *msg, const char *time_frame);
+
 // Helper macros
 #define MOD_CHECK_ID( mod, id )\
   if( !platform_ ## mod ## _exists( id ) )\