diff --git a/linux-user/loongarch64/target_syscall.h b/linux-user/loongarch64/target_syscall.h
index 8b5de52124..39f229bb9c 100644
--- a/linux-user/loongarch64/target_syscall.h
+++ b/linux-user/loongarch64/target_syscall.h
@@ -38,11 +38,4 @@ struct target_pt_regs {
 #define TARGET_MCL_FUTURE  2
 #define TARGET_MCL_ONFAULT 4
 
-#define TARGET_FORCE_SHMLBA
-
-static inline abi_ulong target_shmlba(CPULoongArchState *env)
-{
-    return 64 * KiB;
-}
-
 #endif