diff -r fc0d05b72214 -r 019edca46769 src/AttributeMetadataPrivate.h
--- a/src/AttributeMetadataPrivate.h	Sat Sep 15 23:22:50 2018 +0200
+++ b/src/AttributeMetadataPrivate.h	Sun Sep 16 00:42:42 2018 +0200
@@ -15,11 +15,6 @@
 	string_t typeName;
 };
 
-AttributeMetadata::~AttributeMetadata() {
-	// delete impl;
-	std::cout << "FIXME: delete impl in ~AttributeMetadata() but no double-delete / smart pointer" << std::endl;
-}
-
 string_t AttributeMetadata::getAttributeName() const {
 	return impl->attributeName;
 }