diff --git a/src/Filter.cpp b/src/Filter.cpp
index 5578c27b3..5af718932 100644
--- a/src/Filter.cpp
+++ b/src/Filter.cpp
@@ -455,7 +455,7 @@ void UrlFilter::HotSpot::activate(QObject* object)
 
     const UrlType kind = urlType();
 
-    const QString& actionName = object ? object->objectName() : QString::null;	//krazy:exclude=nullstrassign for old broken gzz
+    const QString& actionName = object ? object->objectName() : QString();
 
     if ( actionName == "copy-action" )
     {
diff --git a/src/KeyboardTranslator.cpp b/src/KeyboardTranslator.cpp
index 0254514b2..fdedd2689 100644
--- a/src/KeyboardTranslator.cpp
+++ b/src/KeyboardTranslator.cpp
@@ -582,14 +582,14 @@ QList<KeyboardTranslatorReader::Token> KeyboardTranslatorReader::tokenize(const
 
     if ( title.exactMatch(text) )
     {
-        Token titleToken = { Token::TitleKeyword , QString::null };	//krazy:exclude=nullstrassign for old broken gcc
+        Token titleToken = { Token::TitleKeyword , QString() };
         Token textToken = { Token::TitleText , title.capturedTexts()[1] };
     
         list << titleToken << textToken;
     }
     else if  ( key.exactMatch(text) )
     {
-        Token keyToken = { Token::KeyKeyword , QString::null };	//krazy:exclude=nullstrassign for old broken gcc
+        Token keyToken = { Token::KeyKeyword , QString() };
         Token sequenceToken = { Token::KeySequence , key.capturedTexts()[1].remove(' ') };
 
         list << keyToken << sequenceToken;
diff --git a/src/ProcessInfo.cpp b/src/ProcessInfo.cpp
index 5b63591b4..3adb13431 100644
--- a/src/ProcessInfo.cpp
+++ b/src/ProcessInfo.cpp
@@ -93,7 +93,7 @@ QString ProcessInfo::format(const QString& input) const
    output.replace("%d",formatShortDir(dir));
    
    // remove any remaining %[LETTER] sequences
-   // output.replace(QRegExp("%\\w"),QString::null);	//krazy:exclude=nullstrassign for old broken gcc
+   // output.replace(QRegExp("%\\w"), QString());
 
    return output;
 }