diff --git a/src/plugins/debugger/analyzer/analyzerrunconfigwidget.cpp b/src/plugins/debugger/analyzer/analyzerrunconfigwidget.cpp
index c74ea44a06b..61f81f46ce3 100644
--- a/src/plugins/debugger/analyzer/analyzerrunconfigwidget.cpp
+++ b/src/plugins/debugger/analyzer/analyzerrunconfigwidget.cpp
@@ -27,7 +27,7 @@ AnalyzerRunConfigWidget::AnalyzerRunConfigWidget(ProjectExplorer::GlobalOrProjec
     auto restoreButton = new QPushButton(Tr::tr("Restore Global"));
 
     auto innerPane = new QWidget;
-    auto configWidget = aspect->projectSettings()->createConfigWidget();
+    auto configWidget = aspect->projectSettings()->layouter()().emerge();
 
     auto details = new DetailsWidget;
     details->setWidget(innerPane);
diff --git a/src/plugins/perfprofiler/perfsettings.cpp b/src/plugins/perfprofiler/perfsettings.cpp
index e737031a3fe..7d71de3504c 100644
--- a/src/plugins/perfprofiler/perfsettings.cpp
+++ b/src/plugins/perfprofiler/perfsettings.cpp
@@ -27,13 +27,6 @@ PerfSettings &globalSettings()
 
 PerfSettings::PerfSettings(ProjectExplorer::Target *target)
 {
-    setConfigWidgetCreator([this, target] {
-        auto widget = new Internal::PerfConfigWidget(this);
-        widget->setTracePointsButtonVisible(target != nullptr);
-        widget->setTarget(target);
-        return widget;
-    });
-
     period.setSettingsKey("Analyzer.Perf.Frequency");
     period.setRange(250, 2147483647);
     period.setDefaultValue(250);
@@ -71,11 +64,12 @@ PerfSettings::PerfSettings(ProjectExplorer::Target *target)
         stackSize.setEnabled(callgraphMode.volatileValue() == 0);
     });
 
-    setLayouter([this] {
+    setLayouter([this, target] {
         using namespace Layouting;
-        return Column {
-            createConfigWidget()
-        };
+        auto widget = new Internal::PerfConfigWidget(this);
+        widget->setTracePointsButtonVisible(target != nullptr);
+        widget->setTarget(target);
+        return Column { widget };
     });
 
     readSettings();
diff --git a/src/plugins/perfprofiler/perfsettings.h b/src/plugins/perfprofiler/perfsettings.h
index 8b38f1015ea..bef4d996071 100644
--- a/src/plugins/perfprofiler/perfsettings.h
+++ b/src/plugins/perfprofiler/perfsettings.h
@@ -9,7 +9,7 @@
 
 namespace PerfProfiler {
 
-class PERFPROFILER_EXPORT PerfSettings final : public ProjectExplorer::ISettingsAspect
+class PERFPROFILER_EXPORT PerfSettings final : public Utils::AspectContainer
 {
     Q_OBJECT
 
diff --git a/src/plugins/projectexplorer/runconfiguration.cpp b/src/plugins/projectexplorer/runconfiguration.cpp
index 716bff52a3e..5fe190a5139 100644
--- a/src/plugins/projectexplorer/runconfiguration.cpp
+++ b/src/plugins/projectexplorer/runconfiguration.cpp
@@ -47,25 +47,6 @@ namespace ProjectExplorer {
 const char BUILD_KEY[] = "ProjectExplorer.RunConfiguration.BuildKey";
 const char CUSTOMIZED_KEY[] = "ProjectExplorer.RunConfiguration.Customized";
 
-///////////////////////////////////////////////////////////////////////
-//
-// ISettingsAspect
-//
-///////////////////////////////////////////////////////////////////////
-
-ISettingsAspect::ISettingsAspect() = default;
-
-QWidget *ISettingsAspect::createConfigWidget() const
-{
-    QTC_ASSERT(m_configWidgetCreator, return nullptr);
-    return m_configWidgetCreator();
-}
-
-void ISettingsAspect::setConfigWidgetCreator(const ConfigWidgetCreator &configWidgetCreator)
-{
-    m_configWidgetCreator = configWidgetCreator;
-}
-
 
 ///////////////////////////////////////////////////////////////////////
 //
@@ -83,13 +64,13 @@ GlobalOrProjectAspect::~GlobalOrProjectAspect()
     delete m_projectSettings;
 }
 
-void GlobalOrProjectAspect::setProjectSettings(ISettingsAspect *settings)
+void GlobalOrProjectAspect::setProjectSettings(AspectContainer *settings)
 {
     m_projectSettings = settings;
     m_projectSettings->setAutoApply(true);
 }
 
-void GlobalOrProjectAspect::setGlobalSettings(ISettingsAspect *settings)
+void GlobalOrProjectAspect::setGlobalSettings(AspectContainer *settings)
 {
     m_globalSettings = settings;
     m_projectSettings->setAutoApply(false);
@@ -100,7 +81,7 @@ void GlobalOrProjectAspect::setUsingGlobalSettings(bool value)
     m_useGlobalSettings = value;
 }
 
-ISettingsAspect *GlobalOrProjectAspect::currentSettings() const
+AspectContainer *GlobalOrProjectAspect::currentSettings() const
 {
    return m_useGlobalSettings ? m_globalSettings : m_projectSettings;
 }
diff --git a/src/plugins/projectexplorer/runconfiguration.h b/src/plugins/projectexplorer/runconfiguration.h
index c4bba4760c8..ba4fb4d4c95 100644
--- a/src/plugins/projectexplorer/runconfiguration.h
+++ b/src/plugins/projectexplorer/runconfiguration.h
@@ -11,8 +11,6 @@
 #include <utils/environment.h>
 #include <utils/macroexpander.h>
 
-#include <QWidget>
-
 #include <functional>
 #include <memory>
 
@@ -29,32 +27,6 @@ class RunConfiguration;
 class RunConfigurationCreationInfo;
 class Target;
 
-/**
- * An interface for a hunk of global or per-project
- * configuration data.
- *
- */
-
-class PROJECTEXPLORER_EXPORT ISettingsAspect : public Utils::AspectContainer
-{
-    Q_OBJECT
-
-public:
-    ISettingsAspect();
-
-    /// Create a configuration widget for this settings aspect.
-    QWidget *createConfigWidget() const;
-
-protected:
-    using ConfigWidgetCreator = std::function<QWidget *()>;
-    void setConfigWidgetCreator(const ConfigWidgetCreator &configWidgetCreator);
-
-    friend class GlobalOrProjectAspect;
-
-    ConfigWidgetCreator m_configWidgetCreator;
-};
-
-
 /**
  * An interface to facilitate switching between hunks of
  * global and per-project configuration data.
@@ -69,19 +41,19 @@ public:
     GlobalOrProjectAspect();
     ~GlobalOrProjectAspect() override;
 
-    void setProjectSettings(ISettingsAspect *settings);
-    void setGlobalSettings(ISettingsAspect *settings);
+    void setProjectSettings(Utils::AspectContainer *settings);
+    void setGlobalSettings(Utils::AspectContainer *settings);
 
     bool isUsingGlobalSettings() const { return m_useGlobalSettings; }
     void setUsingGlobalSettings(bool value);
     void resetProjectToGlobalSettings();
 
-    ISettingsAspect *projectSettings() const { return m_projectSettings; }
-    ISettingsAspect *currentSettings() const;
+    Utils::AspectContainer *projectSettings() const { return m_projectSettings; }
+    Utils::AspectContainer *currentSettings() const;
 
     struct Data : Utils::BaseAspect::Data
     {
-        ISettingsAspect *currentSettings = nullptr;
+        Utils::AspectContainer *currentSettings = nullptr;
     };
 
 protected:
@@ -92,8 +64,8 @@ protected:
 
 private:
     bool m_useGlobalSettings = false;
-    ISettingsAspect *m_projectSettings = nullptr; // Owned if present.
-    ISettingsAspect *m_globalSettings = nullptr;  // Not owned.
+    Utils::AspectContainer *m_projectSettings = nullptr; // Owned if present.
+    Utils::AspectContainer *m_globalSettings = nullptr;  // Not owned.
 };
 
 // Documentation inside.
@@ -133,7 +105,7 @@ public:
 
     ProjectExplorer::ProjectNode *productNode() const;
 
-    template <class T = ISettingsAspect> T *currentSettings(Utils::Id id) const
+    template <class T = Utils::AspectContainer> T *currentSettings(Utils::Id id) const
     {
         if (auto a = qobject_cast<GlobalOrProjectAspect *>(aspect(id)))
             return qobject_cast<T *>(a->currentSettings());
@@ -264,5 +236,3 @@ private:
 };
 
 } // namespace ProjectExplorer
-
-Q_DECLARE_METATYPE(ProjectExplorer::ISettingsAspect *);
diff --git a/src/plugins/qmlprofiler/qmlprofilersettings.cpp b/src/plugins/qmlprofiler/qmlprofilersettings.cpp
index a5c1352fcaf..9bbac157414 100644
--- a/src/plugins/qmlprofiler/qmlprofilersettings.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilersettings.cpp
@@ -62,8 +62,6 @@ QmlProfilerSettings::QmlProfilerSettings()
         };
     });
 
-    setConfigWidgetCreator([this] { return layouter()().emerge(); });
-
     readSettings();
 }
 
diff --git a/src/plugins/qmlprofiler/qmlprofilersettings.h b/src/plugins/qmlprofiler/qmlprofilersettings.h
index 2b0329e4f5e..0336aee31a7 100644
--- a/src/plugins/qmlprofiler/qmlprofilersettings.h
+++ b/src/plugins/qmlprofiler/qmlprofilersettings.h
@@ -3,11 +3,11 @@
 
 #pragma once
 
-#include <projectexplorer/runconfiguration.h>
+#include <utils/aspects.h>
 
 namespace QmlProfiler::Internal {
 
-class QmlProfilerSettings : public ProjectExplorer::ISettingsAspect
+class QmlProfilerSettings : public Utils::AspectContainer
 {
 public:
     QmlProfilerSettings();
diff --git a/src/plugins/valgrind/valgrindsettings.cpp b/src/plugins/valgrind/valgrindsettings.cpp
index 82160908b72..702e0561eb0 100644
--- a/src/plugins/valgrind/valgrindsettings.cpp
+++ b/src/plugins/valgrind/valgrindsettings.cpp
@@ -176,14 +176,6 @@ void SuppressionAspect::bufferToGui()
         d->m_model.appendRow(new QStandardItem(file.toUserOutput()));
 }
 
-// ValgrindConfigWidget
-
-
-QWidget *createSettingsWidget(ValgrindBaseSettings *settings)
-{
-    return settings->layouter()().emerge();
-}
-
 //////////////////////////////////////////////////////////////////
 //
 // ValgrindBaseSettings
@@ -414,8 +406,6 @@ ValgrindGlobalSettings::ValgrindGlobalSettings()
     shortenTemplates.setLabelText("<>"); // FIXME: Create a real icon
     shortenTemplates.setToolTip(Tr::tr("Remove template parameter lists when displaying function names."));
 
-    setConfigWidgetCreator([this] { return createSettingsWidget(this); });
-
     setSettingsGroup("Analyzer");
     readSettings();
     setAutoApply(false);
@@ -434,8 +424,6 @@ ValgrindGlobalSettings::ValgrindGlobalSettings()
 ValgrindProjectSettings::ValgrindProjectSettings()
     : ValgrindBaseSettings(false)
 {
-    setConfigWidgetCreator([this] { return createSettingsWidget(this); });
-
     connect(this, &AspectContainer::fromMapFinished, [this] {
         // FIXME: Update project page e.g. on "Restore Global", aspects
         // there are 'autoapply', and Aspect::cancel() is normally part of
diff --git a/src/plugins/valgrind/valgrindsettings.h b/src/plugins/valgrind/valgrindsettings.h
index 68e6d21969d..ca85a2d92f9 100644
--- a/src/plugins/valgrind/valgrindsettings.h
+++ b/src/plugins/valgrind/valgrindsettings.h
@@ -38,7 +38,7 @@ private:
 /**
  * Valgrind settings shared for global and per-project.
  */
-class ValgrindBaseSettings : public ProjectExplorer::ISettingsAspect
+class ValgrindBaseSettings : public Utils::AspectContainer
 {
     Q_OBJECT