diff --git a/sys/arm64/arm64/trap.c b/sys/arm64/arm64/trap.c
index 8688f8679267..744b646b31c8 100644
--- a/sys/arm64/arm64/trap.c
+++ b/sys/arm64/arm64/trap.c
@@ -71,8 +71,6 @@ __FBSDID("$FreeBSD$");
 #include <ddb/db_output.h>
 #endif
 
-extern register_t fsu_intr_fault;
-
 /* Called from exception.S */
 void do_el1h_sync(struct thread *, struct trapframe *);
 void do_el0_sync(struct thread *, struct trapframe *);
diff --git a/sys/riscv/riscv/trap.c b/sys/riscv/riscv/trap.c
index 0aaaf46eb629..8297d4072a5c 100644
--- a/sys/riscv/riscv/trap.c
+++ b/sys/riscv/riscv/trap.c
@@ -73,8 +73,6 @@ __FBSDID("$FreeBSD$");
 
 int (*dtrace_invop_jump_addr)(struct trapframe *);
 
-extern register_t fsu_intr_fault;
-
 /* Called from exception.S */
 void do_trap_supervisor(struct trapframe *);
 void do_trap_user(struct trapframe *);