diff --git a/diylc/diylc-core/library/main.jar b/diylc/diylc-core/library/main.jar
index 2e0fdcaf..0020736c 100644
Binary files a/diylc/diylc-core/library/main.jar and b/diylc/diylc-core/library/main.jar differ
diff --git a/diylc/diylc-core/src/org/diylc/announcements/AnnouncementProvider.java b/diylc/diylc-core/src/org/diylc/announcements/AnnouncementProvider.java
index eb973d60..327c489e 100644
--- a/diylc/diylc-core/src/org/diylc/announcements/AnnouncementProvider.java
+++ b/diylc/diylc-core/src/org/diylc/announcements/AnnouncementProvider.java
@@ -1,6 +1,5 @@
 package org.diylc.announcements;
 
-import java.io.IOException;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
diff --git a/diylc/diylc-core/src/org/diylc/presenter/ComparatorFactory.java b/diylc/diylc-core/src/org/diylc/presenter/ComparatorFactory.java
index 5df9ead7..ef9d689a 100644
--- a/diylc/diylc-core/src/org/diylc/presenter/ComparatorFactory.java
+++ b/diylc/diylc-core/src/org/diylc/presenter/ComparatorFactory.java
@@ -71,6 +71,7 @@ public class ComparatorFactory {
     if (componentZOrderComparator == null) {
       componentZOrderComparator = new Comparator<IDIYComponent<?>>() {
 
+        @SuppressWarnings("unchecked")
         @Override
         public int compare(IDIYComponent<?> o1, IDIYComponent<?> o2) {
           ComponentType type1 =
diff --git a/diylc/diylc-core/src/org/diylc/presenter/PointConverter.java b/diylc/diylc-core/src/org/diylc/presenter/PointConverter.java
index d02fcbd1..c1c160ff 100644
--- a/diylc/diylc-core/src/org/diylc/presenter/PointConverter.java
+++ b/diylc/diylc-core/src/org/diylc/presenter/PointConverter.java
@@ -32,7 +32,7 @@ public class PointConverter implements Converter {
     return new Point((int) Math.round(x * Constants.PIXELS_PER_INCH), (int) Math.round(y * Constants.PIXELS_PER_INCH));
   }
 
-  @SuppressWarnings("unchecked")
+  @SuppressWarnings("rawtypes")
   @Override
   public boolean canConvert(Class clazz) {
     return Point.class.isAssignableFrom(clazz);
diff --git a/diylc/diylc-core/src/org/diylc/utils/BomMaker.java b/diylc/diylc-core/src/org/diylc/utils/BomMaker.java
index 8055db1b..88fa6cfc 100644
--- a/diylc/diylc-core/src/org/diylc/utils/BomMaker.java
+++ b/diylc/diylc-core/src/org/diylc/utils/BomMaker.java
@@ -54,6 +54,7 @@ public class BomMaker {
       }
     });
     for (IDIYComponent<?> component : sortedComponents) {
+      @SuppressWarnings("unchecked")
       ComponentType type =
           ComponentProcessor.getInstance().extractComponentTypeFrom(
               (Class<? extends IDIYComponent<?>>) component.getClass());