diff --git a/arch/x86/configs/micro_generic_pc_atom_n28xx_defconfig b/arch/x86/configs/micro_generic_pc_atom_n28xx_defconfig
index cdfdb088b7d..225659f0f1e 100644
--- a/arch/x86/configs/micro_generic_pc_atom_n28xx_defconfig
+++ b/arch/x86/configs/micro_generic_pc_atom_n28xx_defconfig
@@ -130,7 +130,7 @@ CONFIG_SHUTOFF_PIC=y
 #
 # CONFIG_FLOAT is not set
 # CONFIG_PCI is not set
-CONFIG_CUSTOM_RANDOM_GENERATOR=y
+# CONFIG_CUSTOM_RANDOM_GENERATOR is not set
 CONFIG_BSP_DIR="generic_pc"
 CONFIG_LOAPIC_TIMER_FREQ=150000000
 
diff --git a/arch/x86/configs/nano_generic_pc_atom_n28xx_defconfig b/arch/x86/configs/nano_generic_pc_atom_n28xx_defconfig
index efcd4ef072e..08c07d537c3 100644
--- a/arch/x86/configs/nano_generic_pc_atom_n28xx_defconfig
+++ b/arch/x86/configs/nano_generic_pc_atom_n28xx_defconfig
@@ -109,7 +109,7 @@ CONFIG_SHUTOFF_PIC=y
 #
 # CONFIG_FLOAT is not set
 # CONFIG_PCI is not set
-CONFIG_CUSTOM_RANDOM_GENERATOR=y
+# CONFIG_CUSTOM_RANDOM_GENERATOR is not set
 CONFIG_BSP_DIR="generic_pc"
 CONFIG_LOAPIC_TIMER_FREQ=150000000