Remove unused variable

diff --git a/mcs/class/corlib/System/String.cs b/mcs/class/corlib/System/String.cs
index 01346dc27abd31eac7f1f2a790587a51c4e56523..3d22083745f2d32377720083faf30e5522769c8d 100644 (file)
--- a/mcs/class/corlib/System/String.cs
+++ b/mcs/class/corlib/System/String.cs
@@ -2789,9 +2789,7 @@ namespace System
                        if (value + startIndex < value)
                                throw new ArgumentOutOfRangeException ("startIndex", "Value, startIndex and length do not refer to a valid string.");
 
-                       bool isDefaultEncoding;
-
-                       if (isDefaultEncoding = (enc == null)) {
+                       if (enc == null) {
                                if (value == null)
                                        throw new ArgumentNullException ("value");
                                if (length == 0)