diff --git a/ORStools/proc/isochrones_point_proc.py b/ORStools/proc/isochrones_point_proc.py
index 384455b2..e069187e 100644
--- a/ORStools/proc/isochrones_point_proc.py
+++ b/ORStools/proc/isochrones_point_proc.py
@@ -35,7 +35,6 @@
     QgsProcessingParameterEnum,
     QgsProcessingParameterPoint,
     QgsProcessingParameterNumber,
-    QgsProcessingParameterDefinition,
 )
 
 from ORStools.common import isochrones_core, PROFILES, DIMENSIONS