diff --git a/configs/microblaze-generic_defconfig b/configs/microblaze-generic_defconfig
index 1fe2e0f..98391c8 100644
--- a/configs/microblaze-generic_defconfig
+++ b/configs/microblaze-generic_defconfig
@@ -1,4 +1,6 @@
 CONFIG_MICROBLAZE=y
+CONFIG_SYS_MALLOC_F=y
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
 CONFIG_TARGET_MICROBLAZE_GENERIC=y
 CONFIG_DEFAULT_DEVICE_TREE="microblaze-generic"
 CONFIG_SPL=y
diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h
index a48c8d6..e0bc41c 100644
--- a/include/configs/microblaze-generic.h
+++ b/include/configs/microblaze-generic.h
@@ -113,12 +113,6 @@
 #endif
 
 #define CONFIG_SYS_MALLOC_LEN	0xC0000
-#ifndef CONFIG_SPL_BUILD
-# define CONFIG_SYS_MALLOC_F_LEN	1024
-#else
-# define CONFIG_SYS_MALLOC_SIMPLE
-# define CONFIG_SYS_MALLOC_F_LEN	0x150
-#endif
 
 /* Stack location before relocation */
 #define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_TEXT_BASE - \