diff --git a/configs/default_defconfig b/configs/default_defconfig
index 9b67f66572c6..47533377b3d0 100644
--- a/configs/default_defconfig
+++ b/configs/default_defconfig
@@ -709,6 +709,10 @@ ifeq ($(CONFIG_ARCH_BENGAL), y)
 CONFIG_SMMU_S1_UNMAP := y
 endif
 
+ifeq ($(CONFIG_ICNSS2_HELIUM), y)
+CONFIG_SMMU_S1_UNMAP := y
+endif
+
 ifeq ($(CONFIG_ROME_IF), sdio)
 CONFIG_PKTLOG_LEGACY := y
 endif