diff --git a/configs/us7032evb1/ostest/defconfig b/configs/us7032evb1/ostest/defconfig
index fa2ac1c484..4a56242c8d 100644
--- a/configs/us7032evb1/ostest/defconfig
+++ b/configs/us7032evb1/ostest/defconfig
@@ -85,6 +85,20 @@ CONFIG_ARCH_STACKDUMP=y
 #
 # SH-1 specific boot/build settings
 #
+CONFIG_SH1_DMAC0=n
+CONFIG_SH1_DMAC1=n
+CONFIG_SH1_DMAC2=n
+CONFIG_SH1_DMAC3=n
+CONFIG_SH1_ITU1=n
+CONFIG_SH1_ITU2=n
+CONFIG_SH1_ITU3=n
+CONFIG_SH1_ITU4=n
+CONFIG_SH1_SCI0=y
+CONFIG_SH1_SCI1=y
+CONFIG_SH1_PCU=n
+CONFIG_SH1_AD=n
+CONFIG_SH1_WDT=n
+CONFIG_SH1_CMI=n
 
 #
 # SH1 specific device driver settings