diff --git a/boards/z80/ez80/z20x/src/ez80_w25.c b/boards/z80/ez80/z20x/src/ez80_w25.c
index c6dbf2b730b..6029e69b370 100644
--- a/boards/z80/ez80/z20x/src/ez80_w25.c
+++ b/boards/z80/ez80/z20x/src/ez80_w25.c
@@ -92,6 +92,7 @@ int ez80_w25_initialize(int minor)
       return ret;
     }
 
+#if defined(CONFIG_BCH)
   /* Create a character device on the block device */
 
   ret = bchdev_register(W25_BLOCKDEV, W25_CHARDEV, false);
@@ -100,6 +101,7 @@ int ez80_w25_initialize(int minor)
       ferr("ERROR: bchdev_register %s failed: %d\n", W25_CHARDEV, ret);
       return ret;
     }
+#endif /* defined(CONFIG_BCH) */
 #endif
 
   return OK;