diff --git a/nucleotide-count/example.js b/nucleotide-count/example.js
index d2e6eb1a..546a39fc 100644
--- a/nucleotide-count/example.js
+++ b/nucleotide-count/example.js
@@ -5,7 +5,7 @@
     var splitDNA = dnaString.split('');
 
     this.nucleotideCounts = { A : 0, T : 0, C : 0, G : 0 };
-    this.validNucleotides = 'ATCGU';
+    this.validNucleotides = 'ATCG';
 
     splitDNA.reduce(this.countAll, this.nucleotideCounts);
   }
@@ -28,4 +28,4 @@
   };
 
   module.exports = DNA;
-})();
\ No newline at end of file
+})();
diff --git a/nucleotide-count/nucleotide-count_test.spec.js b/nucleotide-count/nucleotide-count_test.spec.js
index 4c56763b..5428bfa3 100644
--- a/nucleotide-count/nucleotide-count_test.spec.js
+++ b/nucleotide-count/nucleotide-count_test.spec.js
@@ -35,11 +35,6 @@ describe('DNA', function() {
     expect(dna.count('T')).toEqual(2);
   });
 
-  xit('has no uracil', function(){
-    var dna = new DNA('GGTTGG');
-    expect(dna.count('U')).toEqual(0);
-  });
-
   xit('validates nucleotides', function(){
     var dna = new DNA('GGTTGG');
     expect(function(){