diff --git a/arch/x86/Kconfig.x86_64 b/arch/x86/Kconfig.x86_64
index b45855c368a9..cc468ea61240 100644
--- a/arch/x86/Kconfig.x86_64
+++ b/arch/x86/Kconfig.x86_64
@@ -749,7 +749,6 @@ config PCI_DOMAINS
 config DMAR
 	bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
 	depends on PCI_MSI && ACPI && EXPERIMENTAL
-	default y
 	help
 	  DMA remapping (DMAR) devices support enables independent address
 	  translations for Direct Memory Access (DMA) from devices.
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 9c91b0fd134f..6a7d25fc2470 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -43,7 +43,6 @@ comment "DMA Clients"
 config NET_DMA
 	bool "Network: TCP receive copy offload"
 	depends on DMA_ENGINE && NET
-	default y
 	help
 	  This enables the use of DMA engines in the network stack to
 	  offload receive copy-to-user operations, freeing CPU cycles.