diff --git a/shift_parameter_mixup.sol b/shift_parameter_mixup.sol
deleted file mode 100644
index 9681e3264..000000000
--- a/shift_parameter_mixup.sol
+++ /dev/null
@@ -1,11 +0,0 @@
-contract C { 
-
-    function f() internal returns (uint a, uint b) { 
-        assembly { 
-            a := shr(a, 8) 
-            b := shl(248, 0xff)
-        } 
-        uint y = 1;
-        uint g = 0xff << y;
-    } 
-} 
\ No newline at end of file