diff --git a/src/test/java/neqsim/processsimulation/controllerdevice/ControllerDeviceBaseClassTest.java b/src/test/java/neqsim/processsimulation/controllerdevice/ControllerDeviceBaseClassTest.java
index a41854e63..b981a50ab 100644
--- a/src/test/java/neqsim/processsimulation/controllerdevice/ControllerDeviceBaseClassTest.java
+++ b/src/test/java/neqsim/processsimulation/controllerdevice/ControllerDeviceBaseClassTest.java
@@ -3,7 +3,6 @@
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
-import neqsim.processsimulation.controllerdevice.ControllerDeviceBaseClass;
 
 public class ControllerDeviceBaseClassTest {
   static ControllerDeviceBaseClass c;
diff --git a/src/test/java/neqsim/processsimulation/processsystem/CompressorModule.java b/src/test/java/neqsim/processsimulation/processsystem/CompressorModule.java
index c49609bf5..c334bfd96 100644
--- a/src/test/java/neqsim/processsimulation/processsystem/CompressorModule.java
+++ b/src/test/java/neqsim/processsimulation/processsystem/CompressorModule.java
@@ -3,6 +3,7 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import org.junit.jupiter.api.Test;
+import neqsim.processsimulation.processequipment.compressor.Compressor;
 import neqsim.processsimulation.processequipment.heatExchanger.Cooler;
 import neqsim.processsimulation.processequipment.heatExchanger.Heater;
 import neqsim.processsimulation.processequipment.mixer.Mixer;
diff --git a/src/test/java/neqsim/processsimulation/util/report/ReportTest.java b/src/test/java/neqsim/processsimulation/util/report/ReportTest.java
index e3f64ae5d..f7d759328 100644
--- a/src/test/java/neqsim/processsimulation/util/report/ReportTest.java
+++ b/src/test/java/neqsim/processsimulation/util/report/ReportTest.java
@@ -7,7 +7,6 @@
 import neqsim.processsimulation.processequipment.stream.Stream;
 import neqsim.processsimulation.processequipment.valve.ThrottlingValve;
 import neqsim.processsimulation.processsystem.ProcessSystem;
-import neqsim.processsimulation.util.report.Report;
 import neqsim.thermo.system.SystemSrkEos;
 
 public class ReportTest {