diff --git a/pom.xml b/pom.xml
index d19a354a09..b26166068a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
 	<version>${revision}${sha1}${changelist}</version>
 
 	<properties>
-		<revision>3.0.4</revision>
+		<revision>3.0.5</revision>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<sha1/>
diff --git a/pomJava21.xml b/pomJava21.xml
index 04e7304b6a..1b16c25e56 100644
--- a/pomJava21.xml
+++ b/pomJava21.xml
@@ -13,7 +13,7 @@
 	<version>${revision}${sha1}${changelist}</version>
 
 	<properties>
-		<revision>3.0.4</revision>
+		<revision>3.0.5</revision>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<sha1/>
diff --git a/pomJava8.xml b/pomJava8.xml
index 1798e46bdb..08187a8ddc 100644
--- a/pomJava8.xml
+++ b/pomJava8.xml
@@ -13,7 +13,7 @@
 	<version>${revision}${sha1}${changelist}-Java8</version>
 	
 	<properties>
-		<revision>3.0.4</revision>
+		<revision>3.0.5</revision>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<sha1 />
diff --git a/src/main/java/neqsim/process/equipment/util/Calculator.java b/src/main/java/neqsim/process/equipment/util/Calculator.java
index 130cc6020e..a64952a59d 100644
--- a/src/main/java/neqsim/process/equipment/util/Calculator.java
+++ b/src/main/java/neqsim/process/equipment/util/Calculator.java
@@ -43,7 +43,7 @@ public Calculator(String name) {
    * </p>
    *
    * @param unit a {@link neqsim.process.equipment.ProcessEquipmentInterface}
-   *        object
+   *             object
    */
   public void addInputVariable(ProcessEquipmentInterface unit) {
     inputVariable.add(unit);
@@ -60,21 +60,10 @@ public ProcessEquipmentInterface getOutputVariable() {
     return outputVariable;
   }
 
-  /** {@inheritDoc} */
-  @Override
-  public boolean needRecalculation() {
-    Iterator<ProcessEquipmentInterface> iter = inputVariable.iterator();
-    while (iter.hasNext()) {
-      ProcessEquipmentInterface str = iter.next();
-      if (!str.solved()) {
-        return true;
-      }
-    }
-    return false;
-  }
-
   /**
-   * <p>runAntiSurgeCalc.</p>
+   * <p>
+   * runAntiSurgeCalc.
+   * </p>
    *
    * @param id a {@link java.util.UUID} object
    */
@@ -95,7 +84,7 @@ public void runAntiSurgeCalc(UUID id) {
       flowInAntiSurge = 1e-6;
     }
 
-    anitSurgeSplitter.setFlowRates(new double[] {-1, flowInAntiSurge}, "MSm3/day");
+    anitSurgeSplitter.setFlowRates(new double[] { -1, flowInAntiSurge }, "MSm3/day");
     anitSurgeSplitter.run();
     anitSurgeSplitter.setCalculationIdentifier(id);
   }
@@ -142,7 +131,8 @@ public void run(UUID id) {
    * </p>
    *
    * @param outputVariable a
-   *        {@link neqsim.process.equipment.ProcessEquipmentInterface} object
+   *                       {@link neqsim.process.equipment.ProcessEquipmentInterface}
+   *                       object
    */
   public void setOutputVariable(ProcessEquipmentInterface outputVariable) {
     this.outputVariable = outputVariable;
diff --git a/src/main/java/neqsim/thermo/component/attractiveeosterm/AttractiveTermSrk.java b/src/main/java/neqsim/thermo/component/attractiveeosterm/AttractiveTermSrk.java
index 6748b9250f..04b398fc37 100644
--- a/src/main/java/neqsim/thermo/component/attractiveeosterm/AttractiveTermSrk.java
+++ b/src/main/java/neqsim/thermo/component/attractiveeosterm/AttractiveTermSrk.java
@@ -55,7 +55,7 @@ public void setm(double val) {
     double[] acentricConstants = {-0.176, 1.574, (0.48 - this.m)};
     solve.setConstants(acentricConstants);
     getComponent().setAcentricFactor(solve.solve(0.25));
-    System.out.println("solve accen " + getComponent().getAcentricFactor());
+    // System.out.println("solve accen " + getComponent().getAcentricFactor());
   }
 
   /** {@inheritDoc} */
diff --git a/src/test/java/neqsim/thermo/system/AcidTest.java b/src/test/java/neqsim/thermo/system/AcidTest.java
index aaee9cc4d7..548e254571 100644
--- a/src/test/java/neqsim/thermo/system/AcidTest.java
+++ b/src/test/java/neqsim/thermo/system/AcidTest.java
@@ -25,7 +25,6 @@ public void testAcid() {
     testSystem.setMixingRule(10);
     ThermodynamicOperations testOps = new ThermodynamicOperations(testSystem);
     testOps.TPflash();
-    testSystem.prettyPrint();
   }
 
   /**
@@ -85,7 +84,6 @@ public void testtestBubpAcid() {
     assertEquals(0.0155, boundvol);
     assertEquals(41917.0, assenergy);
     assertEquals(0.3338, m);
-    testSystem.prettyPrint();
   }
 
 
@@ -138,7 +136,6 @@ public void testtestBubpAceticAcid() {
     assertEquals(0.00452, boundvol);
     assertEquals(40323.0, assenergy);
     assertEquals(0.4644000000000, m, 0.0001);
-    testSystem.prettyPrint();
   }
 
   /**
@@ -175,7 +172,6 @@ public void testtestWater() {
     assertEquals(0.0692, boundvol);
     assertEquals(16655.0, assenergy);
     assertEquals(.6735900000000007, m, 0.00001);
-    testSystem.prettyPrint();
   }
 
   /**
@@ -212,6 +208,5 @@ public void testtestMEG() {
     assertEquals(0.0141, boundvol);
     assertEquals(19752.0, assenergy);
     assertEquals(0.6743999999999983, m);
-    testSystem.prettyPrint();
   }
 }