diff --git a/messageviewer/src/viewer/objecttreeparser.h b/messageviewer/src/viewer/objecttreeparser.h
--- a/messageviewer/src/viewer/objecttreeparser.h
+++ b/messageviewer/src/viewer/objecttreeparser.h
@@ -289,12 +289,10 @@
                               NodeHelper *nodeHelper = 0,
                               const Kleo::CryptoBackend::Protocol *protocol = 0,
                               bool showOneMimePart = false, bool keepEncryptions = false,
-                              bool includeSignatures = true,
                               const AttachmentStrategy *attachmentStrategy = 0);
 
     explicit ObjectTreeParser(const ObjectTreeParser *topLevelParser,
                               bool showOneMimePart = false, bool keepEncryptions = false,
-                              bool includeSignatures = true,
                               const AttachmentStrategy *attachmentStrategy = 0);
     virtual ~ObjectTreeParser();
 
@@ -347,9 +345,6 @@
     bool keepEncryptions() const;
     void setKeepEncryptions(bool keep);
 
-    bool includeSignatures() const;
-    void setIncludeSignatures(bool include);
-
     const AttachmentStrategy *attachmentStrategy() const;
 
     HtmlWriter *htmlWriter() const;
@@ -509,7 +504,6 @@
     bool mShowOnlyOneMimePart;
 
     bool mKeepEncryptions;
-    bool mIncludeSignatures;
     bool mHasPendingAsyncJobs;
     bool mAllowAsync;
     const AttachmentStrategy *mAttachmentStrategy;
diff --git a/messageviewer/src/viewer/objecttreeparser.cpp b/messageviewer/src/viewer/objecttreeparser.cpp
--- a/messageviewer/src/viewer/objecttreeparser.cpp
+++ b/messageviewer/src/viewer/objecttreeparser.cpp
@@ -146,16 +146,14 @@
 
 ObjectTreeParser::ObjectTreeParser(const ObjectTreeParser *topLevelParser,
                                    bool showOnlyOneMimePart, bool keepEncryptions,
-                                   bool includeSignatures,
                                    const AttachmentStrategy *strategy)
     : mSource(topLevelParser->mSource),
       mNodeHelper(topLevelParser->mNodeHelper),
       mHtmlWriter(topLevelParser->mHtmlWriter),
       mTopLevelContent(topLevelParser->mTopLevelContent),
       mCryptoProtocol(topLevelParser->mCryptoProtocol),
       mShowOnlyOneMimePart(showOnlyOneMimePart),
       mKeepEncryptions(keepEncryptions),
-      mIncludeSignatures(includeSignatures),
       mHasPendingAsyncJobs(false),
       mAllowAsync(topLevelParser->mAllowAsync),
       mAttachmentStrategy(strategy),
@@ -168,16 +166,14 @@
                                    MessageViewer::NodeHelper *nodeHelper,
                                    const Kleo::CryptoBackend::Protocol *protocol,
                                    bool showOnlyOneMimePart, bool keepEncryptions,
-                                   bool includeSignatures,
                                    const AttachmentStrategy *strategy)
     : mSource(source),
       mNodeHelper(nodeHelper),
       mHtmlWriter(0),
       mTopLevelContent(0),
       mCryptoProtocol(protocol),
       mShowOnlyOneMimePart(showOnlyOneMimePart),
       mKeepEncryptions(keepEncryptions),
-      mIncludeSignatures(includeSignatures),
       mHasPendingAsyncJobs(false),
       mAllowAsync(false),
       mAttachmentStrategy(strategy),
@@ -209,7 +205,6 @@
       mCryptoProtocol(other.cryptoProtocol()),
       mShowOnlyOneMimePart(other.showOnlyOneMimePart()),
       mKeepEncryptions(other.keepEncryptions()),
-      mIncludeSignatures(other.includeSignatures()),
       mHasPendingAsyncJobs(other.hasPendingAsyncJobs()),
       mAllowAsync(other.allowAsync()),
       mAttachmentStrategy(other.attachmentStrategy()),
@@ -3025,16 +3020,6 @@
     mKeepEncryptions = keep;
 }
 
-bool ObjectTreeParser::includeSignatures() const
-{
-    return mIncludeSignatures;
-}
-
-void ObjectTreeParser::setIncludeSignatures(bool include)
-{
-    mIncludeSignatures = include;
-}
-
 const AttachmentStrategy *ObjectTreeParser::attachmentStrategy() const
 {
     return mAttachmentStrategy;