diff --git a/fibonacci/src/fibonacci/Main.java b/fibonacci/src/fibonacci/Main.java
index 492a8b7..6ddb399 100644
--- a/fibonacci/src/fibonacci/Main.java
+++ b/fibonacci/src/fibonacci/Main.java
@@ -129,46 +129,3 @@ class AGen implements ISeqGen<String> {
         return state.concat("a");
     }
 }
-
-class SimpleMarkov implements ISeqGen<String> {
-
-    public String gen(String state) {
-        return null;
-    }
-}
-
-// The probability of a word.
-class ProbPair {
-
-    String word; // The word itself.
-    int count; // The number of times the word has appeared after this word.
-
-    ProbPair(String word, int count) {
-        this.word = word;
-        this.count = count;
-    }
-}
-
-// The probable completions for a word.
-class Completion {
-
-    String word; // The word the completions are for.
-    ILo<ProbPair> completions; //The probable completions.
-
-    Completion(String word, ILo<ProbPair> completions) {
-        this.word = word;
-        this.completions = completions;
-    }
-}
-
-// The list of all known completions.
-class CompletionTable {
-
-    ILo<Completion> table;
-
-    CompletionTable(ILo<Completion> table) {
-        this.table = table;
-    }
-}
-
-static class ProcessInput {}