diff --git a/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java b/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
index 8d05b3c60..8438db64e 100644
--- a/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
+++ b/src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
@@ -5,7 +5,6 @@
  */
 package de.neemann.digital.gui.components;
 
-import de.neemann.digital.analyse.expression.Variable;
 import de.neemann.digital.core.NodeException;
 import de.neemann.digital.core.ObservableValue;
 import de.neemann.digital.core.Observer;