diff --git a/target/linux/mvebu/config-3.18 b/target/linux/mvebu/config-3.18
index 1df5bda7a6f..4a8ab4d5e57 100644
--- a/target/linux/mvebu/config-3.18
+++ b/target/linux/mvebu/config-3.18
@@ -91,6 +91,7 @@ CONFIG_CPU_PABRT_V7=y
 CONFIG_CPU_PJ4B=y
 CONFIG_CPU_PM=y
 CONFIG_CPU_RMAP=y
+# CONFIG_CPU_THERMAL is not set
 CONFIG_CPU_TLB_V7=y
 CONFIG_CPU_V7=y
 CONFIG_CRC16=y