Code cleanup.

diff --git a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/compiler/Messages.java b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/compiler/Messages.java
index 88e37be..a0bc9b7 100644
--- a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/compiler/Messages.java
+++ b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/compiler/Messages.java

@@ -16,7 +16,6 @@
 public class Messages extends NLS {
 
   public static String browseCustomPath;
-  public static String cancel;
   public static String codeGeneration;
   public static String compileOnSave;
   public static String editSelected;
@@ -31,7 +30,6 @@
   public static String generateJava;
   public static String generatePython;
   public static String language;
-  public static String ok;
   public static String outputDirectory;
   public static String outputDirectoryPrompt;
   public static String outputFolderChildOfProjectFolder;
@@ -45,11 +43,11 @@
   public static String tabMain;
   public static String tabRefresh;
   public static String targetLanguage;
-  
+
   static {
     Class<Messages> targetType = Messages.class;
     NLS.initializeMessages(targetType.getName(), targetType);
   }
-  
+
   private Messages() {}
 }

diff --git a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/compiler/Messages.properties b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/compiler/Messages.properties
index 8747c27..0ab80ca 100644
--- a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/compiler/Messages.properties
+++ b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/compiler/Messages.properties

@@ -1,5 +1,4 @@
 browseCustomPath=&Browse...
-cancel=Cancel
 codeGeneration=Code generation
 compileOnSave=Compile .proto files on &save
 editSelected=Edit selected...
@@ -14,7 +13,6 @@
 generateJava=&Java
 generatePython=&Python
 language=Language
-ok=OK
 outputDirectory=Output Directory
 outputDirectoryPrompt=Output directory name:
 outputFolderChildOfProjectFolder=*direct child of project folder

diff --git a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/paths/Messages.java b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/paths/Messages.java
index a51464b..db85828 100644
--- a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/paths/Messages.java
+++ b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/paths/Messages.java

@@ -18,7 +18,6 @@
   public static String add;
   public static String browseFileSystem;
   public static String browseWorkspace;
-  public static String cancel;
   public static String directoryNameInputMessage;
   public static String directoryNameInputTitle;
   public static String down;
@@ -30,7 +29,6 @@
   public static String includeDirectoryPrompt;
   public static String includeDirectoryTitle;
   public static String isWorkspacePathCheck;
-  public static String ok;
   public static String remove;
   public static String up;
 

diff --git a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/paths/Messages.properties b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/paths/Messages.properties
index 9706e93..841560d 100644
--- a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/paths/Messages.properties
+++ b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/preferences/paths/Messages.properties

@@ -1,7 +1,6 @@
 add=&Add...
 browseFileSystem=File system...
 browseWorkspace=Workspace...
-cancel=Cancel
 directoryNameInputMessage=Enter directory name:
 directoryNameInputTitle=Path Resolution
 down=Move Down
@@ -13,6 +12,5 @@
 includeDirectoryPrompt=Directory:
 includeDirectoryTitle=Add directory path
 isWorkspacePathCheck=Is a workspace path
-ok=OK
 remove=&Remove
 up=Move Up