diff --git a/src/FirmwarePlugin/APM/APMParameterMetaData.cc b/src/FirmwarePlugin/APM/APMParameterMetaData.cc
index 945eda943c4b6a84ef8a3424416787a3f2aca459..d00c8fee7a127cf8947bff006f0e36037d74c3be 100644
--- a/src/FirmwarePlugin/APM/APMParameterMetaData.cc
+++ b/src/FirmwarePlugin/APM/APMParameterMetaData.cc
@@ -154,7 +154,6 @@ void APMParameterMetaData::loadParameterFactMetaDataFile(const QString& metaData
         return;
     }
 
-    QString             errorString;
     bool                badMetaData = true;
     QStack<int>         xmlState;
     APMFactMetaDataRaw* rawMetaData = NULL;