diff --git a/src/plugins/bineditor/bineditor.cpp b/src/plugins/bineditor/bineditor.cpp
index 191e9345cdc..a8a04e24a62 100644
--- a/src/plugins/bineditor/bineditor.cpp
+++ b/src/plugins/bineditor/bineditor.cpp
@@ -731,7 +731,7 @@ void BinEditor::paintEvent(QPaintEvent *e)
     QString itemString(m_bytesPerLine*3, QLatin1Char(' '));
     QChar *itemStringData = itemString.data();
     char changedString[160] = { false };
-    QTC_ASSERT(m_bytesPerLine < sizeof(changedString), return);
+    QTC_ASSERT((size_t)m_bytesPerLine < sizeof(changedString), return);
     const char *hex = "0123456789abcdef";
 
     painter.setPen(palette().text().color());
diff --git a/src/plugins/cppeditor/cppeditor.cpp b/src/plugins/cppeditor/cppeditor.cpp
index bc07e4ffbc8..420d64fbc38 100644
--- a/src/plugins/cppeditor/cppeditor.cpp
+++ b/src/plugins/cppeditor/cppeditor.cpp
@@ -2159,7 +2159,7 @@ SemanticInfo SemanticHighlighter::semanticInfo(const Source &source)
 
     m_mutex.lock();
     if (! source.force
-            && m_lastSemanticInfo.revision == source.revision
+            && m_lastSemanticInfo.revision == (unsigned)source.revision
             && m_lastSemanticInfo.doc
             && m_lastSemanticInfo.doc->translationUnit()->ast()
             && m_lastSemanticInfo.doc->fileName() == source.fileName) {