diff --git a/libs/pbd/xml++.cc b/libs/pbd/xml++.cc
index 5b2ed2b190..c46c5638b8 100644
--- a/libs/pbd/xml++.cc
+++ b/libs/pbd/xml++.cc
@@ -662,12 +662,6 @@ XMLProperty::XMLProperty(const string& n, const string& v)
 	: _name(n)
 	, _value(v)
 {
-	// Normalize property name (replace '_' with '-' as old session are inconsistent)
-	for (size_t i = 0; i < _name.length(); ++i) {
-		if (_name[i] == '_') {
-			_name[i] = '-';
-		}
-	}
 }
 
 XMLProperty::~XMLProperty()