diff --git a/configs/default_defconfig b/configs/default_defconfig
index c74ee1e20634..cb1fce716a2a 100644
--- a/configs/default_defconfig
+++ b/configs/default_defconfig
@@ -806,6 +806,7 @@ endif
 ifeq ($(CONFIG_ARCH_SDXPRAIRIE), y)
 ifeq ($(CONFIG_IPA_OFFLOAD), y)
 CONFIG_ENABLE_SMMU_S1_TRANSLATION := y
+CONFIG_SMMU_S1_UNMAP := y
 endif
 endif