--- ../src-base/minecraft/cpw/mods/fml/common/discovery/ModDiscoverer.java
+++ ../src-work/minecraft/cpw/mods/fml/common/discovery/ModDiscoverer.java
@@ -16,7 +16,9 @@
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+
 import org.apache.logging.log4j.Level;
+
 import com.google.common.base.Throwables;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Lists;
@@ -148,6 +150,17 @@
             }
         }
 
+        if (!"false".equals(System.getProperty("kcauldron.fastcraft.disable", "true"))) {
+            java.util.Iterator<ModContainer> iterator = modList.iterator();
+            while(iterator.hasNext()) {
+                ModContainer container = iterator.next();
+                if ("FastCraft".equals(container.getModId())) {
+                    FMLLog.log(Level.WARN, "Found FastCraft mod, removing it...");
+                    iterator.remove();
+                }
+            }
+        }
+
         return modList;
     }
 
