diff --git a/src/libs/utils/dropsupport.h b/src/libs/utils/dropsupport.h
index daff8f7537b..e12dcdad87b 100644
--- a/src/libs/utils/dropsupport.h
+++ b/src/libs/utils/dropsupport.h
@@ -58,7 +58,7 @@ public:
     static QStringList mimeTypesForFilePaths();
 
 signals:
-    void filesDropped(const QList<DropSupport::FileSpec> &files, const QPoint &dropPos);
+    void filesDropped(const QList<Utils::DropSupport::FileSpec> &files, const QPoint &dropPos);
     void valuesDropped(const QList<QVariant> &values, const QPoint &dropPos);
 
 public:
diff --git a/src/libs/utils/fancylineedit.h b/src/libs/utils/fancylineedit.h
index e9753e269c2..3f40d93df26 100644
--- a/src/libs/utils/fancylineedit.h
+++ b/src/libs/utils/fancylineedit.h
@@ -144,7 +144,7 @@ protected:
     virtual void handleChanged(const QString &) {}
 
 signals:
-    void buttonClicked(FancyLineEdit::Side side);
+    void buttonClicked(Utils::FancyLineEdit::Side side);
     void leftButtonClicked();
     void rightButtonClicked();
 
diff --git a/src/libs/utils/shellcommand.h b/src/libs/utils/shellcommand.h
index 9bd5c04a41a..c1bdb5a785d 100644
--- a/src/libs/utils/shellcommand.h
+++ b/src/libs/utils/shellcommand.h
@@ -79,7 +79,7 @@ signals:
     void append(const QString &text);
     void appendSilently(const QString &text);
     void appendError(const QString &text);
-    void appendCommand(const QString &workingDirectory, const FileName &binary,
+    void appendCommand(const QString &workingDirectory, const Utils::FileName &binary,
                        const QStringList &args);
     void appendMessage(const QString &text);
 };