diff --git a/dts/bindings/interrupt-controller/openisa,rv32m1-event-unit.yaml b/dts/bindings/interrupt-controller/openisa,rv32m1-event-unit.yaml
index 7bdb59f7be0..c0b07da2b58 100644
--- a/dts/bindings/interrupt-controller/openisa,rv32m1-event-unit.yaml
+++ b/dts/bindings/interrupt-controller/openisa,rv32m1-event-unit.yaml
@@ -25,8 +25,6 @@ properties:
       description: mmio register space
       generation: define
 
-base_label: RV32M1_EVENT_UNIT
-
 "#cells":
   - irq
 ...