diff --git a/eeschema/files-io.cpp b/eeschema/files-io.cpp
index faddf58122..71ea1fd464 100644
--- a/eeschema/files-io.cpp
+++ b/eeschema/files-io.cpp
@@ -456,7 +456,6 @@ bool SCH_EDIT_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, in
             // Legacy schematic can have duplicate time stamps so fix that before converting
             // to the s-expression format.
             schematic.ReplaceDuplicateTimeStamps();
-            schematic.SetLegacySymbolInstanceData();
 
             // Allow the schematic to be saved to new file format without making any edits.
             OnModify();