diff --git a/Code/Mantid/Framework/Kernel/src/ConfigService.cpp b/Code/Mantid/Framework/Kernel/src/ConfigService.cpp
index 3182ffe948fae6d997b5282a2754c2e99b77d7af..a2f7912a4f7af084635c712cf6db0055b3121706 100644
--- a/Code/Mantid/Framework/Kernel/src/ConfigService.cpp
+++ b/Code/Mantid/Framework/Kernel/src/ConfigService.cpp
@@ -1692,7 +1692,6 @@ const std::string extractVersionNumberFromPipe(const Poco::Pipe& pipe)
   const std::string givenVersion = stringStream.str();
   boost::smatch  match;
   boost::regex expression("(\\d+)\\.(\\d+)$"); // Gets the version number part.
-  double givenVersionNumber;
   if(boost::regex_search(givenVersion, match, expression))
   {
     versionString = match[0];