diff --git a/board/ti/am65x/README b/board/ti/am65x/README
index 00be1ff..67081ce 100644
--- a/board/ti/am65x/README
+++ b/board/ti/am65x/README
@@ -133,12 +133,12 @@
 4. U-Boot:
 
 4.1. R5:
-$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- am65x_evm_r5_defconfig O=/tmp/r5
-$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- O=/tmp/r5
+$ make CROSS_COMPILE=arm-linux-gnueabihf- am65x_evm_r5_defconfig O=/tmp/r5
+$ make CROSS_COMPILE=arm-linux-gnueabihf- O=/tmp/r5
 
 4.2. A53:
-$ make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- am65x_evm_a53_defconfig O=/tmp/a53
-$ make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- ATF=<path to ATF dir>/build/k3/generic/release/bl31.bin TEE=<path to OPTEE OS dir>/out/arm-plat-k3/core/tee-pager_v2.bin O=/tmp/a53
+$ make CROSS_COMPILE=aarch64-linux-gnu- am65x_evm_a53_defconfig O=/tmp/a53
+$ make CROSS_COMPILE=aarch64-linux-gnu- ATF=<path to ATF dir>/build/k3/generic/release/bl31.bin TEE=<path to OPTEE OS dir>/out/arm-plat-k3/core/tee-pager_v2.bin O=/tmp/a53
 
 Target Images
 --------------
diff --git a/board/ti/j721e/README b/board/ti/j721e/README
index 7dcf336..757a59c 100644
--- a/board/ti/j721e/README
+++ b/board/ti/j721e/README
@@ -149,12 +149,12 @@
 4. U-Boot:
 
 4.1. R5:
-$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- j721e_evm_r5_defconfig O=/tmp/r5
-$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- O=/tmp/r5
+$ make CROSS_COMPILE=arm-linux-gnueabihf- j721e_evm_r5_defconfig O=/tmp/r5
+$ make CROSS_COMPILE=arm-linux-gnueabihf- O=/tmp/r5
 
 4.2. A72:
-$ make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- j721e_evm_a72_defconfig O=/tmp/a72
-$ make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- ATF=<path to ATF dir>/build/k3/generic/release/bl31.bin TEE=<path to OPTEE OS dir>/out/arm-plat-k3/core/tee-pager_v2.bin O=/tmp/a72
+$ make CROSS_COMPILE=aarch64-linux-gnu- j721e_evm_a72_defconfig O=/tmp/a72
+$ make CROSS_COMPILE=aarch64-linux-gnu- ATF=<path to ATF dir>/build/k3/generic/release/bl31.bin TEE=<path to OPTEE OS dir>/out/arm-plat-k3/core/tee-pager_v2.bin O=/tmp/a72
 
 Target Images
 --------------
diff --git a/board/ti/ks2_evm/README b/board/ti/ks2_evm/README
index a26b7f8..ff0ec5a 100644
--- a/board/ti/ks2_evm/README
+++ b/board/ti/ks2_evm/README
@@ -74,7 +74,7 @@
 Build instructions:
 ===================
 Examples for k2hk, for k2e, k2l and k2g just replace k2hk prefix accordingly.
-Don't forget to add ARCH=arm and CROSS_COMPILE.
+Don't forget to add CROSS_COMPILE.
 
 To build u-boot.bin, u-boot-spi.gph, MLO:
   >make k2hk_evm_defconfig