diff --git a/configs/j7200_evm_a72_defconfig b/configs/j7200_evm_a72_defconfig
index 6fc7cab..a449705 100644
--- a/configs/j7200_evm_a72_defconfig
+++ b/configs/j7200_evm_a72_defconfig
@@ -97,6 +97,8 @@
 CONFIG_SPL_CLK=y
 CONFIG_CLK_CCF=y
 CONFIG_CLK_TI_SCI=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x40000
+CONFIG_SYS_DFU_MAX_FILE_SIZE=0x800000
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_DFU_SF=y
diff --git a/configs/j7200_evm_r5_defconfig b/configs/j7200_evm_r5_defconfig
index f9fe41a..b12a641 100644
--- a/configs/j7200_evm_r5_defconfig
+++ b/configs/j7200_evm_r5_defconfig
@@ -53,6 +53,7 @@
 CONFIG_SYS_SPI_U_BOOT_OFFS=0x80000
 CONFIG_SPL_USB_GADGET=y
 CONFIG_SPL_DFU=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x40000
 CONFIG_SPL_YMODEM_SUPPORT=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_DFU=y
diff --git a/configs/j721e_evm_a72_defconfig b/configs/j721e_evm_a72_defconfig
index d01bacd..ea83fec 100644
--- a/configs/j721e_evm_a72_defconfig
+++ b/configs/j721e_evm_a72_defconfig
@@ -96,6 +96,8 @@
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_DFU_SF=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x20000
+CONFIG_SYS_DFU_MAX_FILE_SIZE=0x800000
 CONFIG_DMA_CHANNELS=y
 CONFIG_TI_K3_NAVSS_UDMA=y
 CONFIG_USB_FUNCTION_FASTBOOT=y
diff --git a/configs/j721e_evm_r5_defconfig b/configs/j721e_evm_r5_defconfig
index e8841ba..cd72d27 100644
--- a/configs/j721e_evm_r5_defconfig
+++ b/configs/j721e_evm_r5_defconfig
@@ -51,6 +51,7 @@
 CONFIG_SYS_SPI_U_BOOT_OFFS=0x80000
 CONFIG_SPL_USB_GADGET=y
 CONFIG_SPL_DFU=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x5000
 CONFIG_SPL_YMODEM_SUPPORT=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_DFU=y
diff --git a/include/configs/j721e_evm.h b/include/configs/j721e_evm.h
index 18b80ef..10555d1 100644
--- a/include/configs/j721e_evm.h
+++ b/include/configs/j721e_evm.h
@@ -155,9 +155,7 @@
 #define EXTRA_ENV_CONFIG_MAIN_CPSW0_QSGMII_PHY
 #endif
 
-/* set default dfu_bufsiz to 128KB (sector size of OSPI) */
 #define EXTRA_ENV_DFUARGS \
-	"dfu_bufsiz=0x20000\0" \
 	DFU_ALT_INFO_MMC \
 	DFU_ALT_INFO_EMMC \
 	DFU_ALT_INFO_RAM \