diff --git a/tests/3/Factorial.zwei~ b/tests/3/Factorial.zwei~
deleted file mode 100755
index 1264f0e..0000000
--- a/tests/3/Factorial.zwei~
+++ /dev/null
@@ -1,46 +0,0 @@
-class Factorial {
-
-  // Recursive definition
-  Int factorial1(Int x) {
-    return if (x == 0) 1
-           else x * this.factorial1(x - 1)
-  }
-
-  // Tail-recursive definition
-  Int factorial2_aux(Int x, Int acc) {
-    return if (x == 0) {
-	acc;
-    } else {
-        this.factorial2_aux(x - 1, acc * x);
-    }
-  }
-  Int factorial2(Int x) {
-    return this.factorial2_aux(x, 1)
-  }
-
-  // Iterative definition
-  Int factorial3(Int x) {
-    Int p = 1;
-    while (x > 0) {
-      p = p * x;
-      x = x - 1;
-    }
-    return p
-  }
-
-}
-
-class Example {
-  Null main() {
-    Factorial fac = new Factorial();
-    Int x = 5;
-    printInt(fac.factorial1(x));
-    printChar(10);
-    printInt(fac.factorial2(x));
-    printChar(10);
-    printInt(fac.factorial3(x));
-    printChar(10);
-  }
-}
-
-new Example().main()
diff --git a/tests/3/bizarrReturn.zwei~ b/tests/3/bizarrReturn.zwei~
deleted file mode 100755
index 1264f0e..0000000
--- a/tests/3/bizarrReturn.zwei~
+++ /dev/null
@@ -1,46 +0,0 @@
-class Factorial {
-
-  // Recursive definition
-  Int factorial1(Int x) {
-    return if (x == 0) 1
-           else x * this.factorial1(x - 1)
-  }
-
-  // Tail-recursive definition
-  Int factorial2_aux(Int x, Int acc) {
-    return if (x == 0) {
-	acc;
-    } else {
-        this.factorial2_aux(x - 1, acc * x);
-    }
-  }
-  Int factorial2(Int x) {
-    return this.factorial2_aux(x, 1)
-  }
-
-  // Iterative definition
-  Int factorial3(Int x) {
-    Int p = 1;
-    while (x > 0) {
-      p = p * x;
-      x = x - 1;
-    }
-    return p
-  }
-
-}
-
-class Example {
-  Null main() {
-    Factorial fac = new Factorial();
-    Int x = 5;
-    printInt(fac.factorial1(x));
-    printChar(10);
-    printInt(fac.factorial2(x));
-    printChar(10);
-    printInt(fac.factorial3(x));
-    printChar(10);
-  }
-}
-
-new Example().main()
diff --git a/tests/3/logic.zwei~ b/tests/3/logic.zwei~
deleted file mode 100755
index a0ea03f..0000000
--- a/tests/3/logic.zwei~
+++ /dev/null
@@ -1,9 +0,0 @@
-class arith {
-	Int euler (Int temp) {
-		if (temp || a == c && (k == 2)) {			
-		};
-		return 1
-	}
-}
-
-runit
\ No newline at end of file