diff --git a/configs/nitrogen8mm_som_2g_defconfig b/configs/nitrogen8mm_som_2g_defconfig
index 25b6b42831ba3ed064e608a9d4b5101ba8a31e58..d8decef4313616faf101c70595f7d6967c473908 100644
--- a/configs/nitrogen8mm_som_2g_defconfig
+++ b/configs/nitrogen8mm_som_2g_defconfig
@@ -15,6 +15,7 @@ CONFIG_DEBUG_UART_CLOCK=25000000
 CONFIG_DEFAULT_DEVICE_TREE="imx8mm-nitrogen8mm_som"
 CONFIG_DEBUG_UART=y
 CONFIG_DISTRO_DEFAULTS=y
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_FIT=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg,SPL_TEXT_BASE=0x7E1000,DDR_MB=2048,DEFCONFIG=\"nitrogen8mm_som_2g\""
diff --git a/configs/nitrogen8mm_som_4g_defconfig b/configs/nitrogen8mm_som_4g_defconfig
index 71800f5de3648ce91b6ab075761e77ca2e4dd99b..2465f2151165fbd5df363635c57d17fd2f216440 100644
--- a/configs/nitrogen8mm_som_4g_defconfig
+++ b/configs/nitrogen8mm_som_4g_defconfig
@@ -15,6 +15,7 @@ CONFIG_DEBUG_UART_CLOCK=25000000
 CONFIG_DEFAULT_DEVICE_TREE="imx8mm-nitrogen8mm_som"
 CONFIG_DEBUG_UART=y
 CONFIG_DISTRO_DEFAULTS=y
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_FIT=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg,SPL_TEXT_BASE=0x7E1000,DDR_MB=4096,DEFCONFIG=\"nitrogen8mm_som_4g\""
diff --git a/include/configs/nitrogen8mm_som.h b/include/configs/nitrogen8mm_som.h
index 763d947ce2e85904cb08b96f228e64f48b540043..4bd4f21cf78c70e0b0764eb4e2c50cf5bad00259 100644
--- a/include/configs/nitrogen8mm_som.h
+++ b/include/configs/nitrogen8mm_som.h
@@ -114,7 +114,6 @@
 #define CONFIG_SYS_SDRAM_BASE           0x40000000
 #define PHYS_SDRAM                      0x40000000
 #define PHYS_SDRAM_SIZE			0x80000000 /* 2GB DDR */
-#define CONFIG_NR_DRAM_BANKS		1
 
 #define CONFIG_SYS_MEMTEST_START    PHYS_SDRAM
 #define CONFIG_SYS_MEMTEST_END      (CONFIG_SYS_MEMTEST_START + (PHYS_SDRAM_SIZE >> 1))