diff --git a/01 Pythagoras/Program.cs b/01 Pythagoras/Program.cs
index b4fb882f4dedb02a7ca5bf60c7125ff07fc33f13..c35cdef249062568f8467f068629c5cca81ae6ed 100644
--- a/01 Pythagoras/Program.cs	
+++ b/01 Pythagoras/Program.cs	
@@ -6,7 +6,7 @@ namespace _01_Pythagoras
     {
         static void Main(string[] args)
         {
-            double a, b, c;
+            double a, b;
             Console.WriteLine("Pythagoras");
 
             Console.Write("Länge der Seite a: ");