diff --git a/org.fortiss.tooling.base/model/.ratings b/org.fortiss.tooling.base/model/.ratings
index 8f58ba1ffdf1ae83053ebe17d4e5b7e85db128e1..a14484332c6f194fa6e1e2dc001bc8a240b3aa5b 100644
--- a/org.fortiss.tooling.base/model/.ratings
+++ b/org.fortiss.tooling.base/model/.ratings
@@ -1 +1 @@
-base.ecore 598ac2f27293be7344b762471a3570f45e63950d GREEN
+base.ecore 6ba521f3458eaf64fc3ee0359e236c9a1201d259 YELLOW
diff --git a/org.fortiss.tooling.base/model/base.ecore b/org.fortiss.tooling.base/model/base.ecore
index 598ac2f27293be7344b762471a3570f45e63950d..6ba521f3458eaf64fc3ee0359e236c9a1201d259 100644
--- a/org.fortiss.tooling.base/model/base.ecore
+++ b/org.fortiss.tooling.base/model/base.ecore
@@ -181,26 +181,6 @@
<eGenericType eTypeParameter="#//element/IDerivedAnnotation/T"/>
</eOperations>
</eClassifiers>
- <eClassifiers xsi:type="ecore:EClass" name="IConstraintBasedProcess" abstract="true"
- interface="true">
- <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
- <details key="documentation" value="Marker interface for metaclasses to describe constraint-based development processes.

TODO (refs #3469) Clarify relation to constraint metaclasses in tooling.kernel."/>
- </eAnnotations>
- <eStructuralFeatures xsi:type="ecore:EReference" name="currentObjective" eType="#//element/ConstraintConfiguration"/>
- <eStructuralFeatures xsi:type="ecore:EReference" name="constraintInstanceContainer"
- eType="ecore:EClass platform:/resource/org.fortiss.tooling.kernel/model/kernel.ecore#//constraints/IConstraintInstanceContainer"/>
- <eStructuralFeatures xsi:type="ecore:EReference" name="configurations" upperBound="-1"
- eType="#//element/ConstraintConfiguration" containment="true"/>
- </eClassifiers>
- <eClassifiers xsi:type="ecore:EClass" name="ConstraintConfiguration" eSuperTypes="platform:/resource/org.fortiss.tooling.kernel/model/kernel.ecore#//INamedElement">
- <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
- <details key="documentation" value="Hierarchical description of constraint configuration.

TODO (refs #3469): Clarify relation to constraint metaclasses in tooling.kernel."/>
- </eAnnotations>
- <eStructuralFeatures xsi:type="ecore:EAttribute" name="activeConstraints" upperBound="-1"
- eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
- <eStructuralFeatures xsi:type="ecore:EReference" name="includedConfigurations"
- upperBound="-1" eType="#//element/ConstraintConfiguration"/>
- </eClassifiers>
</eSubpackages>
<eSubpackages name="layout" nsURI="http://www.fortiss.org/tooling/base/model/layout"
nsPrefix="org-fortiss-tooling-base-model-layout">
@@ -478,16 +458,6 @@
<eTypeArguments eTypeParameter="#//base/DerivedAnnotationBase/T"/>
</eGenericSuperTypes>
</eClassifiers>
- <eClassifiers xsi:type="ecore:EClass" name="ConstraintInstanceContainer" eSuperTypes="platform:/resource/org.fortiss.tooling.kernel/model/kernel.ecore#//constraints/IConstraintInstanceContainer">
- <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
- <details key="documentation" value="@deprecated Currently unused. TODO (refs #3469) Caveat: Base class is defined in tooling.kernel."/>
- </eAnnotations>
- </eClassifiers>
- <eClassifiers xsi:type="ecore:EClass" name="ConstraintBasedProcess" eSuperTypes="#//element/IConstraintBasedProcess">
- <eAnnotations source="http://www.eclipse.org/emf/2002/GenModel">
- <details key="documentation" value="Base class for {@link IConstraintBasedProcess}es.

TODO (refs #3469): Clarify relation to constraint metaclasses in tooling.kernel."/>
- </eAnnotations>
- </eClassifiers>
</eSubpackages>
<eSubpackages name="visualization" nsURI="http://www.fortiss.org/tooling/base/model/visualization"
nsPrefix="org-fortiss-tooling-base-model-visualization">
diff --git a/org.fortiss.tooling.base/model/base.genmodel b/org.fortiss.tooling.base/model/base.genmodel
index fde899af767217ec4ed05483e87703bb3c21cbce..bad9184d77c98d6e78195c936dc9172436d47b6e 100644
--- a/org.fortiss.tooling.base/model/base.genmodel
+++ b/org.fortiss.tooling.base/model/base.genmodel
@@ -58,18 +58,6 @@
<genOperations ecoreOperation="base.ecore#//element/IDerivedAnnotation/isUserAnnotatedValuePreferred"/>
<genOperations ecoreOperation="base.ecore#//element/IDerivedAnnotation/getUserAnnotatedValue"/>
</genClasses>
- <genClasses image="false" ecoreClass="base.ecore#//element/IConstraintBasedProcess">
- <genFeatures notify="false" createChild="false" propertySortChoices="true"
- ecoreFeature="ecore:EReference base.ecore#//element/IConstraintBasedProcess/currentObjective"/>
- <genFeatures notify="false" createChild="false" propertySortChoices="true"
- ecoreFeature="ecore:EReference base.ecore#//element/IConstraintBasedProcess/constraintInstanceContainer"/>
- <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference base.ecore#//element/IConstraintBasedProcess/configurations"/>
- </genClasses>
- <genClasses image="false" ecoreClass="base.ecore#//element/ConstraintConfiguration">
- <genFeatures createChild="false" ecoreFeature="ecore:EAttribute base.ecore#//element/ConstraintConfiguration/activeConstraints"/>
- <genFeatures notify="false" createChild="false" propertySortChoices="true"
- ecoreFeature="ecore:EReference base.ecore#//element/ConstraintConfiguration/includedConfigurations"/>
- </genClasses>
</nestedGenPackages>
<nestedGenPackages prefix="Layout" basePackage="org.fortiss.tooling.base.model"
disposableProviderFactory="true" ecorePackage="base.ecore#//layout">
@@ -172,8 +160,6 @@
<genOperations ecoreOperation="base.ecore#//base/DerivedAnnotationBase/getUserAnnotatedValue"
body="return null;"/>
</genClasses>
- <genClasses ecoreClass="base.ecore#//base/ConstraintInstanceContainer"/>
- <genClasses ecoreClass="base.ecore#//base/ConstraintBasedProcess"/>
</nestedGenPackages>
<nestedGenPackages prefix="Visualization" basePackage="org.fortiss.tooling.base.model"
disposableProviderFactory="true" ecorePackage="base.ecore#//visualization">