diff --git a/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/LineContains.java b/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/LineContains.java
index 99e974739..12b339e85 100644
--- a/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/LineContains.java
+++ b/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/LineContains.java
@@ -157,7 +157,6 @@ public final class LineContains
                 for (int i = 0; i < containsSize; i++) {
                     String containsStr = (String) contains.elementAt(i);
                     if (line.indexOf(containsStr) == -1) {
-                        System.out.println("Hello");
                         line = null;
                         break;
                     }
diff --git a/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/PrefixLines.java b/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/PrefixLines.java
index b6622bd69..484d54f3d 100644
--- a/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/PrefixLines.java
+++ b/proposal/sandbox/filterreaders/src/main/org/apache/tools/ant/filters/PrefixLines.java
@@ -127,12 +127,15 @@ public final class PrefixLines
 
         int ch = -1;
 
+        if (queuedData != null && queuedData.length() == 0) {
+            queuedData = null;
+        }
+
         if (queuedData != null) {
+            ch = queuedData.charAt(0);
+            queuedData = queuedData.substring(1);
             if (queuedData.length() == 0) {
                 queuedData = null;
-            } else {
-                ch = queuedData.charAt(0);
-                queuedData = queuedData.substring(1);
             }
         } else {
             ch = in.read();