diff --git a/src/libs/utils/layoutbuilder.cpp b/src/libs/utils/layoutbuilder.cpp
index b92bc20600e..bba6932ad13 100644
--- a/src/libs/utils/layoutbuilder.cpp
+++ b/src/libs/utils/layoutbuilder.cpp
@@ -899,6 +899,11 @@ void Splitter::setStretchFactor(int index, int stretch)
     access(this)->setStretchFactor(index, stretch);
 }
 
+void Splitter::setChildrenCollapsible(bool collapsible)
+{
+    access(this)->setChildrenCollapsible(collapsible);
+}
+
 void addToSplitter(Splitter *splitter, QWidget *inner)
 {
     access(splitter)->addWidget(inner);
diff --git a/src/libs/utils/layoutbuilder.h b/src/libs/utils/layoutbuilder.h
index f11bce70be1..9b7322a426e 100644
--- a/src/libs/utils/layoutbuilder.h
+++ b/src/libs/utils/layoutbuilder.h
@@ -304,6 +304,7 @@ public:
     Splitter(std::initializer_list<I> items);
     void setOrientation(Qt::Orientation);
     void setStretchFactor(int index, int stretch);
+    void setChildrenCollapsible(bool collapsible);
 };
 
 class QTCREATOR_UTILS_EXPORT Stack : public Widget
@@ -402,9 +403,16 @@ void doit(Interface *x, IdId, auto p)
 
 // Setter dispatchers
 
+QTC_DEFINE_BUILDER_SETTER(childrenCollapsible, setChildrenCollapsible)
+QTC_DEFINE_BUILDER_SETTER(columnStretch, setColumnStretch)
+QTC_DEFINE_BUILDER_SETTER(customMargins, setContentsMargins)
 QTC_DEFINE_BUILDER_SETTER(fieldGrowthPolicy, setFieldGrowthPolicy)
 QTC_DEFINE_BUILDER_SETTER(groupChecker, setGroupChecker)
+QTC_DEFINE_BUILDER_SETTER(onClicked, onClicked)
+QTC_DEFINE_BUILDER_SETTER(onLinkHovered, onLinkHovered)
+QTC_DEFINE_BUILDER_SETTER(onTextChanged, onTextChanged)
 QTC_DEFINE_BUILDER_SETTER(openExternalLinks, setOpenExternalLinks)
+QTC_DEFINE_BUILDER_SETTER(orientation, setOrientation);
 QTC_DEFINE_BUILDER_SETTER(size, setSize)
 QTC_DEFINE_BUILDER_SETTER(text, setText)
 QTC_DEFINE_BUILDER_SETTER(textFormat, setTextFormat)
@@ -413,12 +421,6 @@ QTC_DEFINE_BUILDER_SETTER(title, setTitle)
 QTC_DEFINE_BUILDER_SETTER(toolTip, setToolTip)
 QTC_DEFINE_BUILDER_SETTER(windowTitle, setWindowTitle)
 QTC_DEFINE_BUILDER_SETTER(wordWrap, setWordWrap);
-QTC_DEFINE_BUILDER_SETTER(orientation, setOrientation);
-QTC_DEFINE_BUILDER_SETTER(columnStretch, setColumnStretch)
-QTC_DEFINE_BUILDER_SETTER(onClicked, onClicked)
-QTC_DEFINE_BUILDER_SETTER(onLinkHovered, onLinkHovered)
-QTC_DEFINE_BUILDER_SETTER(onTextChanged, onTextChanged)
-QTC_DEFINE_BUILDER_SETTER(customMargins, setContentsMargins)
 
 // Nesting dispatchers