diff --git a/sys/riscv/riscv/intr_machdep.c b/sys/riscv/riscv/intr_machdep.c
index 2a45e0905261..3e4afe11989e 100644
--- a/sys/riscv/riscv/intr_machdep.c
+++ b/sys/riscv/riscv/intr_machdep.c
@@ -163,7 +163,7 @@ riscv_cpu_intr(struct trapframe *frame)
 	KASSERT(frame->tf_scause & EXCP_INTR,
 		("riscv_cpu_intr: wrong frame passed"));
 
-	active_irq = (frame->tf_scause & EXCP_MASK);
+	active_irq = frame->tf_scause & EXCP_MASK;
 
 	switch (active_irq) {
 	case IRQ_SOFTWARE_USER:
diff --git a/sys/riscv/riscv/trap.c b/sys/riscv/riscv/trap.c
index 00b66822cbac..aa9ec534669d 100644
--- a/sys/riscv/riscv/trap.c
+++ b/sys/riscv/riscv/trap.c
@@ -256,7 +256,7 @@ do_trap_supervisor(struct trapframe *frame)
 	KASSERT((csr_read(sstatus) & (SSTATUS_SPP | SSTATUS_SIE)) ==
 	    SSTATUS_SPP, ("Came from S mode with interrupts enabled"));
 
-	exception = (frame->tf_scause & EXCP_MASK);
+	exception = frame->tf_scause & EXCP_MASK;
 	if (frame->tf_scause & EXCP_INTR) {
 		/* Interrupt */
 		riscv_cpu_intr(frame);
@@ -318,7 +318,7 @@ do_trap_user(struct trapframe *frame)
 	KASSERT((csr_read(sstatus) & (SSTATUS_SPP | SSTATUS_SIE)) == 0,
 	    ("Came from U mode with interrupts enabled"));
 
-	exception = (frame->tf_scause & EXCP_MASK);
+	exception = frame->tf_scause & EXCP_MASK;
 	if (frame->tf_scause & EXCP_INTR) {
 		/* Interrupt */
 		riscv_cpu_intr(frame);