diff --git a/types/three/three-core.d.ts b/types/three/three-core.d.ts
index 61f97daddd..e7e421b93d 100644
--- a/types/three/three-core.d.ts
+++ b/types/three/three-core.d.ts
@@ -4185,8 +4185,8 @@ export class Triangle {
     closestPointToPoint(point: Vector3, target: Vector3): Vector3;
     equals(triangle: Triangle): boolean;
 
-    static normal(a: Vector3, b: Vector3, c: Vector3, target: Vector3): Vector3;
-    static barycoordFromPoint(point: Vector3, a: Vector3, b: Vector3, c: Vector3, optionalTarget: Vector3): Vector3;
+    static getNormal(a: Vector3, b: Vector3, c: Vector3, target: Vector3): Vector3;
+    static getBarycoord(point: Vector3, a: Vector3, b: Vector3, c: Vector3, target: Vector3): Vector3;
     static containsPoint(point: Vector3, a: Vector3, b: Vector3, c: Vector3): boolean;
 }