diff --git a/qmake/doc/snippets/code/doc_src_qmake-manual.pro b/qmake/doc/snippets/code/doc_src_qmake-manual.pro
index 76f0eec2fec..bb803d11b6d 100644
--- a/qmake/doc/snippets/code/doc_src_qmake-manual.pro
+++ b/qmake/doc/snippets/code/doc_src_qmake-manual.pro
@@ -961,3 +961,25 @@ translations_de.files = $$PWD/de.lproj/InfoPlist.strings
 
 QMAKE_BUNDLE_DATA += translations_en translations_de
 #! [189]
+
+#! [TR_EXCLUDE sources]
+SOURCES += main.cpp \
+    excluded.cpp \
+    3rdparty/sqlite3.h \
+    3rdparty/sqlite3.c
+TR_EXCLUDE += excluded.cpp 3rdparty/*
+#! [TR_EXCLUDE sources]
+
+#! [TR_EXCLUDE SUBDIRS]
+SUBDIRS += \
+    libs \
+    apps \
+    tests
+TR_EXCLUDE += tests
+#! [TR_EXCLUDE SUBDIRS]
+
+#! [TR_EXCLUDE include paths]
+linux {
+    TR_EXCLUDE += /usr/include/boost/*
+}
+#! [TR_EXCLUDE include paths]
diff --git a/qmake/doc/src/qmake-manual.qdoc b/qmake/doc/src/qmake-manual.qdoc
index 350e9e02ccd..875a1ac56d1 100644
--- a/qmake/doc/src/qmake-manual.qdoc
+++ b/qmake/doc/src/qmake-manual.qdoc
@@ -3146,6 +3146,25 @@
     See the \l{Qt Linguist Manual} for more information about
     internationalization (i18n) and localization (l10n) with Qt.
 
+    \section1 TR_EXCLUDE
+
+    Specifies a list of paths (source files, subdirectories, and C++ include
+    paths) to be excluded from handling in \c{lupdate}. The paths may contain
+    wildcards. Relative paths are considered to be relative to
+    \l{_PRO_FILE_PWD_}.
+
+    For example, to exclude source files:
+
+    \snippet code/doc_src_qmake-manual.pro TR_EXCLUDE sources
+
+    To exclude subdirectories of a \c SUBDIRS project:
+
+    \snippet code/doc_src_qmake-manual.pro TR_EXCLUDE SUBDIRS
+
+    To speed up lupdate's C++ parser, exclude include paths:
+
+    \snippet code/doc_src_qmake-manual.pro TR_EXCLUDE include paths
+
     \section1 UI_DIR
 
     Specifies the directory where all intermediate files from uic