diff --git a/src/common/config.cpp b/src/common/config.cpp
index 9f70f2069f..36c7bcdde1 100644
--- a/src/common/config.cpp
+++ b/src/common/config.cpp
@@ -214,10 +214,6 @@ wxString ExpandEnvVars(const wxString& str)
         }
         break;
 
-      case '\\':
-        n++;
-        // fall through
-
       default:
         strResult += str[n];
     }