diff --git a/src/java/org/apache/commons/math/optimization/SimpleRealPointChecker.java b/src/java/org/apache/commons/math/optimization/SimpleRealPointChecker.java
index cec0b86cc..e3d86d531 100644
--- a/src/java/org/apache/commons/math/optimization/SimpleRealPointChecker.java
+++ b/src/java/org/apache/commons/math/optimization/SimpleRealPointChecker.java
@@ -17,8 +17,6 @@
 
 package org.apache.commons.math.optimization;
 
-import java.io.Serializable;
-
 import org.apache.commons.math.util.MathUtils;
 
 /** 
@@ -33,12 +31,7 @@ import org.apache.commons.math.util.MathUtils;
  * @version $Revision: 757180 $ $Date: 2009-03-22 13:54:45 +0100 (dim., 22 mars 2009) $
  * @since 2.0
  */
-public class SimpleRealPointChecker implements RealConvergenceChecker, Serializable {
-    // TODO: Add Serializable documentation
-    // TODO: Check Serializable implementation
-
-    /** Serializable version identifier. */
-    private static final long serialVersionUID = 2490271385513842607L;
+public class SimpleRealPointChecker implements RealConvergenceChecker {
 
     /** Default relative threshold. */
     private static final double DEFAULT_RELATIVE_THRESHOLD = 100 * MathUtils.EPSILON;
diff --git a/src/java/org/apache/commons/math/optimization/SimpleScalarValueChecker.java b/src/java/org/apache/commons/math/optimization/SimpleScalarValueChecker.java
index 4609d7c97..646707c7e 100644
--- a/src/java/org/apache/commons/math/optimization/SimpleScalarValueChecker.java
+++ b/src/java/org/apache/commons/math/optimization/SimpleScalarValueChecker.java
@@ -17,8 +17,6 @@
 
 package org.apache.commons.math.optimization;
 
-import java.io.Serializable;
-
 import org.apache.commons.math.util.MathUtils;
 
 /** 
@@ -33,12 +31,7 @@ import org.apache.commons.math.util.MathUtils;
  * @version $Revision$ $Date$
  * @since 2.0
  */
-public class SimpleScalarValueChecker implements RealConvergenceChecker, Serializable {
-    // TODO: Add Serializable documentation
-    // TODO: Check Serializable implementation
-
-    /** Serializable version identifier. */
-    private static final long serialVersionUID = 2490271385513842607L;
+public class SimpleScalarValueChecker implements RealConvergenceChecker {
 
     /** Default relative threshold. */
     private static final double DEFAULT_RELATIVE_THRESHOLD = 100 * MathUtils.EPSILON;
diff --git a/src/java/org/apache/commons/math/optimization/SimpleVectorialPointChecker.java b/src/java/org/apache/commons/math/optimization/SimpleVectorialPointChecker.java
index ec1faa6bf..4738af653 100644
--- a/src/java/org/apache/commons/math/optimization/SimpleVectorialPointChecker.java
+++ b/src/java/org/apache/commons/math/optimization/SimpleVectorialPointChecker.java
@@ -17,8 +17,6 @@
 
 package org.apache.commons.math.optimization;
 
-import java.io.Serializable;
-
 import org.apache.commons.math.util.MathUtils;
 
 /** 
@@ -33,12 +31,7 @@ import org.apache.commons.math.util.MathUtils;
  * @version $Revision$ $Date$
  * @since 2.0
  */
-public class SimpleVectorialPointChecker implements VectorialConvergenceChecker, Serializable {
-    // TODO: Add Serializable documentation
-    // TODO: Check Serializable implementation
-
-    /** Serializable version identifier. */
-    private static final long serialVersionUID = 6571098732056285089L;
+public class SimpleVectorialPointChecker implements VectorialConvergenceChecker {
 
     /** Default relative threshold. */
     private static final double DEFAULT_RELATIVE_THRESHOLD = 100 * MathUtils.EPSILON;
diff --git a/src/java/org/apache/commons/math/optimization/SimpleVectorialValueChecker.java b/src/java/org/apache/commons/math/optimization/SimpleVectorialValueChecker.java
index 082ec0db9..ca1e3a8d3 100644
--- a/src/java/org/apache/commons/math/optimization/SimpleVectorialValueChecker.java
+++ b/src/java/org/apache/commons/math/optimization/SimpleVectorialValueChecker.java
@@ -17,8 +17,6 @@
 
 package org.apache.commons.math.optimization;
 
-import java.io.Serializable;
-
 import org.apache.commons.math.util.MathUtils;
 
 /** 
@@ -33,12 +31,7 @@ import org.apache.commons.math.util.MathUtils;
  * @version $Revision$ $Date$
  * @since 2.0
  */
-public class SimpleVectorialValueChecker implements VectorialConvergenceChecker, Serializable {
-    // TODO: Add Serializable documentation
-    // TODO: Check Serializable implementation
-
-    /** Serializable version identifier. */
-    private static final long serialVersionUID = -3892196630780700808L;
+public class SimpleVectorialValueChecker implements VectorialConvergenceChecker {
 
     /** Default relative threshold. */
     private static final double DEFAULT_RELATIVE_THRESHOLD = 100 * MathUtils.EPSILON;