diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c
index 1f230ac..a98fab8 100644
--- a/arch/arm/mach-imx/spl.c
+++ b/arch/arm/mach-imx/spl.c
@@ -261,6 +261,7 @@
 	}
 }
 
+#if !defined(CONFIG_SPL_FIT_SIGNATURE)
 ulong board_spl_fit_size_align(ulong size)
 {
 	/*
@@ -285,6 +286,7 @@
 		hang();
 	}
 }
+#endif
 
 #endif