diff --git a/src/profile/d3Elevation.ts b/src/profile/d3Elevation.ts
index 3eb04507cbe3..99f9c9c667db 100644
--- a/src/profile/d3Elevation.ts
+++ b/src/profile/d3Elevation.ts
@@ -113,7 +113,7 @@ type scaleModifierFunction = {
  */
 function d3Elevation(
   options: ngeoOptionsNgeoProfileOptions,
-  functions: NgeoProfileElevationComponentProfileOptions<unknown>,
+  functions: NgeoProfileElevationComponentProfileOptions,
 ): unknown {
   /**
    * Whether the simplified profile should be shown.