diff --git a/libavutil/riscv/cpu.c b/libavutil/riscv/cpu.c
index 1fe1a397c4..9b57d77502 100644
--- a/libavutil/riscv/cpu.c
+++ b/libavutil/riscv/cpu.c
@@ -91,8 +91,6 @@ int ff_get_cpu_flags_riscv(void)
             ret |= AV_CPU_FLAG_RVF;
         if (hwcap & HWCAP_RV('D'))
             ret |= AV_CPU_FLAG_RVD;
-        if (hwcap & HWCAP_RV('B'))
-            ret |= AV_CPU_FLAG_RVB_ADDR | AV_CPU_FLAG_RVB_BASIC;
 
         /* The V extension implies all Zve* functional subsets */
         if (hwcap & HWCAP_RV('V'))