diff --git a/arch/riscv/configs/nommu_virt_defconfig b/arch/riscv/configs/nommu_virt_defconfig
index 5f078156dfcdd58f37c51dbb5002ce1c612ea7d1..e1c9864b62376dedd8c297e7b4a4a835953ab326 100644
--- a/arch/riscv/configs/nommu_virt_defconfig
+++ b/arch/riscv/configs/nommu_virt_defconfig
@@ -24,7 +24,6 @@ CONFIG_EXPERT=y
 # CONFIG_VM_EVENT_COUNTERS is not set
 # CONFIG_COMPAT_BRK is not set
 CONFIG_SLOB=y
-# CONFIG_SLAB_MERGE_DEFAULT is not set
 # CONFIG_MMU is not set
 CONFIG_SOC_VIRT=y
 CONFIG_SMP=y