diff --git a/mimetreeparser/src/interfaces/bodypart.h b/mimetreeparser/src/interfaces/bodypart.h
--- a/mimetreeparser/src/interfaces/bodypart.h
+++ b/mimetreeparser/src/interfaces/bodypart.h
@@ -73,14 +73,6 @@
     */
     virtual BodyPartMemento *memento() const = 0;
 
-    enum Display {
-        None, AsIcon, Inline
-    };
-    /**
-      @return whether this body part should be displayed iconic or inline
-      */
-    virtual Display defaultDisplay() const = 0;
-
     /** Returns the KMime::Content node represented here. Makes most of the above obsolete
         and probably should be used in the interfaces in the first place.
     */
diff --git a/mimetreeparser/src/objecttreeparser.cpp b/mimetreeparser/src/objecttreeparser.cpp
--- a/mimetreeparser/src/objecttreeparser.cpp
+++ b/mimetreeparser/src/objecttreeparser.cpp
@@ -198,10 +198,6 @@
     Q_ASSERT(!formatters.empty());
     for (auto formatter : formatters) {
         PartNodeBodyPart part(this, &processResult, mTopLevelContent, node, mNodeHelper);
-        // Set the default display strategy for this body part relying on the
-        // identity of Interface::BodyPart::Display and AttachmentStrategy::Display
-        part.setDefaultDisplay((Interface::BodyPart::Display)attachmentStrategy()->defaultDisplay(node));
-
         mNodeHelper->setNodeDisplayedEmbedded(node, true);
 
         const MessagePart::Ptr result = formatter->process(part);
diff --git a/mimetreeparser/src/partnodebodypart.h b/mimetreeparser/src/partnodebodypart.h
--- a/mimetreeparser/src/partnodebodypart.h
+++ b/mimetreeparser/src/partnodebodypart.h
@@ -55,8 +55,6 @@
     explicit PartNodeBodyPart(ObjectTreeParser *otp, ProcessResult *result, KMime::Content *topLevelContent, KMime::Content *content, NodeHelper *nodeHelper);
 
     Interface::BodyPartMemento *memento() const override;
-    BodyPart::Display defaultDisplay() const override;
-    void setDefaultDisplay(BodyPart::Display);
     KMime::Content *content() const override
     {
         return mContent;
@@ -86,7 +84,6 @@
 private:
     KMime::Content *mTopLevelContent = nullptr;
     KMime::Content *mContent = nullptr;
-    BodyPart::Display mDefaultDisplay;
     NodeHelper *mNodeHelper = nullptr;
     ObjectTreeParser *mObjectTreeParser = nullptr;
     ProcessResult *mProcessResult = nullptr;
diff --git a/mimetreeparser/src/partnodebodypart.cpp b/mimetreeparser/src/partnodebodypart.cpp
--- a/mimetreeparser/src/partnodebodypart.cpp
+++ b/mimetreeparser/src/partnodebodypart.cpp
@@ -43,7 +43,6 @@
     : Interface::BodyPart()
     , mTopLevelContent(topLevelContent)
     , mContent(content)
-    , mDefaultDisplay(Interface::BodyPart::None)
     , mNodeHelper(nodeHelper)
     , mObjectTreeParser(otp)
     , mProcessResult(result)
@@ -58,15 +57,7 @@
     return mNodeHelper->bodyPartMemento(mContent, "__plugin__");
 }
 
-Interface::BodyPart::Display PartNodeBodyPart::defaultDisplay() const
-{
-    return mDefaultDisplay;
-}
 
-void PartNodeBodyPart::setDefaultDisplay(Interface::BodyPart::Display d)
-{
-    mDefaultDisplay = d;
-}
 
 Interface::ObjectTreeSource *PartNodeBodyPart::source() const
 {