diff --git a/lib/cpus/aarch64/denver.S b/lib/cpus/aarch64/denver.S
index 3e238a1..fcfae8f 100644
--- a/lib/cpus/aarch64/denver.S
+++ b/lib/cpus/aarch64/denver.S
@@ -59,7 +59,6 @@
 	mov	x1, #1
 	lsl	x1, x1, x0
 	msr	s3_0_c15_c0_2, x1
-	isb
 	ret
 endfunc denver_enable_dco