diff --git a/core/src/main/java/hudson/MarkupText.java b/core/src/main/java/hudson/MarkupText.java
index 107c8fbdfc..b83301a0ac 100644
--- a/core/src/main/java/hudson/MarkupText.java
+++ b/core/src/main/java/hudson/MarkupText.java
@@ -313,7 +313,7 @@ public class MarkupText extends AbstractMarkupText {
             buf.append(tag.markup);
         }
         if (copied<text.length()) {
-            String portion = text.substring(copied, text.length());
+            String portion = text.substring(copied);
             buf.append(preEscape ? Util.xmlEscape(portion) : Util.escape(portion));
         }
 
diff --git a/core/src/main/java/hudson/Proc.java b/core/src/main/java/hudson/Proc.java
index b218017522..e7e4841403 100644
--- a/core/src/main/java/hudson/Proc.java
+++ b/core/src/main/java/hudson/Proc.java
@@ -231,7 +231,7 @@ public abstract class Proc {
                 m.clear();
                 for (String e : env) {
                     int idx = e.indexOf('=');
-                    m.put(e.substring(0,idx),e.substring(idx+1,e.length()));
+                    m.put(e.substring(0,idx),e.substring(idx+1));
                 }
             }
             return pb;