diff --git a/commons/src/main/java/lcsb/mapviewer/common/MinervaLoggerAppender.java b/commons/src/main/java/lcsb/mapviewer/common/MinervaLoggerAppender.java
index 39151271ef360d3c7f1bfc6e3ae4f96632c3bcfe..5fc9f78100e65976b60fc57c30e62533280b1c6c 100644
--- a/commons/src/main/java/lcsb/mapviewer/common/MinervaLoggerAppender.java
+++ b/commons/src/main/java/lcsb/mapviewer/common/MinervaLoggerAppender.java
@@ -13,7 +13,6 @@ import org.apache.logging.log4j.core.appender.AbstractAppender;
 import org.apache.logging.log4j.core.config.Property;
 import org.apache.logging.log4j.core.impl.MutableLogEvent;
 import org.apache.logging.log4j.core.layout.PatternLayout;
-import org.hamcrest.core.IsInstanceOf;
 
 /**
  * Custom log4j {@link AbstractAppender}. This class is used to store logs in