diff --git a/book/src/kernel/linux-compatibility/syscall-feature-coverage/namespaces-cgroups-and-security/README.md b/book/src/kernel/linux-compatibility/syscall-feature-coverage/namespaces-cgroups-and-security/README.md
index d72be9c64..5ba390401 100644
--- a/book/src/kernel/linux-compatibility/syscall-feature-coverage/namespaces-cgroups-and-security/README.md
+++ b/book/src/kernel/linux-compatibility/syscall-feature-coverage/namespaces-cgroups-and-security/README.md
@@ -33,7 +33,6 @@ Unsupported operations:
 * `PR_PAC_RESET_KEYS`
 * `PR_SET_PTRACER`
 * `PR_GET_SECCOMP` and `PR_SET_SECCOMP`
-* `PR_GET_SECUREBITS` and `PR_SET_SECUREBITS`
 * `PR_GET_SPECULATION_CTRL` and `PR_SET_SPECULATION_CTRL`
 * `PR_SVE_GET_VL` and `PR_SVE_SET_VL`
 * `PR_SET_SYSCALL_USER_DISPATCH`