diff --git a/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java b/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java
index 0e7c41cf9..ac822873a 100644
--- a/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java
+++ b/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java
@@ -45,6 +45,7 @@ import org.apache.tools.ant.taskdefs.condition.Os;
  * @since Ant 1.3
  */
 public abstract class DefaultCompilerAdapter implements CompilerAdapter {
+    // CheckStyle:VisibilityModifier OFF - bc
 
     private static final FileUtils FILE_UTILS = FileUtils.getFileUtils();
 
@@ -72,8 +73,12 @@ public abstract class DefaultCompilerAdapter implements CompilerAdapter {
     protected Javac attributes;
 
     //must keep for subclass BC, though unused:
+    // CheckStyle:ConstantNameCheck OFF - bc
     protected static final String lSep = StringUtils.LINE_SEP;
 
+    // CheckStyle:ConstantNameCheck ON
+    // CheckStyle:VisibilityModifier ON
+
     /**
      * Set the Javac instance which contains the configured compilation
      * attributes.
diff --git a/src/main/org/apache/tools/ant/taskdefs/email/Mailer.java b/src/main/org/apache/tools/ant/taskdefs/email/Mailer.java
index 3503f4c77..b9a645648 100644
--- a/src/main/org/apache/tools/ant/taskdefs/email/Mailer.java
+++ b/src/main/org/apache/tools/ant/taskdefs/email/Mailer.java
@@ -28,11 +28,14 @@ import org.apache.tools.ant.util.DateUtils;
  * @since Ant 1.5
  */
 public abstract class Mailer {
+    // CheckStyle:VisibilityModifier OFF - bc
     protected String host = null;
     protected int port = -1;
     protected String user = null;
     protected String password = null;
+    // CheckStyle:MemberNameCheck OFF - bc
     protected boolean SSL = false;
+    // CheckStyle:MemberNameCheck ON
     protected Message message;
     protected EmailAddress from;
     protected Vector replyToList = null;
@@ -44,6 +47,7 @@ public abstract class Mailer {
     protected Task task;
     protected boolean includeFileNames = false;
     protected Vector headers = null;
+    // CheckStyle:VisibilityModifier ON
 
     /**
      * Set the mail server.
@@ -86,11 +90,11 @@ public abstract class Mailer {
     /**
      * Set whether to send the mail through SSL.
      *
-     * @param SSL if true use SSL transport.
+     * @param ssl if true use SSL transport.
      * @since Ant 1.6
      */
-    public void setSSL(boolean SSL) {
-        this.SSL = SSL;
+    public void setSSL(boolean ssl) {
+        this.SSL = ssl;
     }
 
     /**
diff --git a/src/main/org/apache/tools/ant/taskdefs/rmic/RmicAdapterFactory.java b/src/main/org/apache/tools/ant/taskdefs/rmic/RmicAdapterFactory.java
index 51a4b9b00..75b05de00 100644
--- a/src/main/org/apache/tools/ant/taskdefs/rmic/RmicAdapterFactory.java
+++ b/src/main/org/apache/tools/ant/taskdefs/rmic/RmicAdapterFactory.java
@@ -22,7 +22,6 @@ import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.Task;
 import org.apache.tools.ant.taskdefs.Rmic;
 import org.apache.tools.ant.util.ClasspathUtils;
-import org.apache.tools.ant.util.JavaEnvUtils;
 
 import java.util.Locale;