diff --git a/tests/asm/smoke/smoke.S b/tests/asm/smoke/smoke.S
index 57e517f83..7c458acf7 100644
--- a/tests/asm/smoke/smoke.S
+++ b/tests/asm/smoke/smoke.S
@@ -27,9 +27,6 @@ loop:
     addi a2, a2, -1
     bnez a2, add_test
 
-    # read cycles
-    csrr t0, mcycle
-
     ret
 
 will_not_be_executed: