diff --git a/common/widgets/mathplot.cpp b/common/widgets/mathplot.cpp
index c8e3c6ad22..e0d3824cc1 100644
--- a/common/widgets/mathplot.cpp
+++ b/common/widgets/mathplot.cpp
@@ -2411,10 +2411,6 @@ void mpFXYVector::SetData( const std::vector<double> &xs,const std::vector<doubl
             if (*it<m_minY) m_minY=*it;
             if (*it>m_maxY) m_maxY=*it;
         }
-        m_minX-=0.5f;
-        m_minY-=0.5f;
-        m_maxX+=0.5f;
-        m_maxY+=0.5f;
     }
     else
     {