diff --git a/src/corelib/global/qfeatures.h b/src/corelib/global/qfeatures.h
index c51b090a6c..0f8f2b89d3 100644
--- a/src/corelib/global/qfeatures.h
+++ b/src/corelib/global/qfeatures.h
@@ -175,9 +175,6 @@
 // QShortcut
 //#define QT_NO_SHORTCUT
 
-// QSignalMapper
-//#define QT_NO_SIGNALMAPPER
-
 // QSizeGrip
 //#define QT_NO_SIZEGRIP
 
diff --git a/src/corelib/global/qfeatures.txt b/src/corelib/global/qfeatures.txt
index f0b3e4e071..1a721e78b0 100644
--- a/src/corelib/global/qfeatures.txt
+++ b/src/corelib/global/qfeatures.txt
@@ -520,13 +520,6 @@ Requires:
 Name: Status Tip
 SeeAlso: ???
 
-Feature: SIGNALMAPPER
-Description: Supports bundling of signals from identifiable senders.
-Section: Widgets
-Requires:
-Name: QSignalMapper
-SeeAlso: ???
-
 Feature: WHATSTHIS
 Description: Supports displaying "What's this" help.
 Section: Widgets
diff --git a/src/corelib/kernel/qsignalmapper.cpp b/src/corelib/kernel/qsignalmapper.cpp
index c668047bd2..1feac89175 100644
--- a/src/corelib/kernel/qsignalmapper.cpp
+++ b/src/corelib/kernel/qsignalmapper.cpp
@@ -40,7 +40,6 @@
 ****************************************************************************/
 
 #include "qsignalmapper.h"
-#ifndef QT_NO_SIGNALMAPPER
 #include "qhash.h"
 #include "qobject_p.h"
 
@@ -305,5 +304,3 @@ QT_END_NAMESPACE
 
 #include "moc_qsignalmapper.cpp"
 
-#endif // QT_NO_SIGNALMAPPER
-
diff --git a/src/corelib/kernel/qsignalmapper.h b/src/corelib/kernel/qsignalmapper.h
index f4e7879697..14eacfe6a8 100644
--- a/src/corelib/kernel/qsignalmapper.h
+++ b/src/corelib/kernel/qsignalmapper.h
@@ -48,8 +48,6 @@ QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
 
-
-#ifndef QT_NO_SIGNALMAPPER
 class QSignalMapperPrivate;
 
 class Q_CORE_EXPORT QSignalMapper : public QObject
@@ -85,7 +83,6 @@ private:
     Q_DISABLE_COPY(QSignalMapper)
     Q_PRIVATE_SLOT(d_func(), void _q_senderDestroyed())
 };
-#endif // QT_NO_SIGNALMAPPER
 
 QT_END_NAMESPACE