diff --git a/drivers/arm/tzc400/tzc400.c b/drivers/arm/tzc400/tzc400.c
index 940e00e..7194443 100644
--- a/drivers/arm/tzc400/tzc400.c
+++ b/drivers/arm/tzc400/tzc400.c
@@ -170,9 +170,6 @@
 
 	assert(base);
 
-	/* Assert if already initialised */
-	assert(!tzc.base);
-
 	tzc.base = base;
 
 	/*