diff --git a/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/IndexDefinitionImpl.java b/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/IndexDefinitionImpl.java
index 03ddbc11e6625..7d97640f2f7db 100644
--- a/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/IndexDefinitionImpl.java
+++ b/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/IndexDefinitionImpl.java
@@ -39,15 +39,21 @@ public class IndexDefinitionImpl implements IndexDefinition
     private final String[] propertyKeys;
     private final boolean constraintIndex;
 
-    public IndexDefinitionImpl( InternalSchemaActions actions, Label label, String[] propertyKeys, boolean constraintIndex ) // TODO remove this constructor
+    public IndexDefinitionImpl( InternalSchemaActions actions, Label[] labels, String[] propertyKeys, boolean constraintIndex )
     {
-        this( actions, new Label[]{label}, null, propertyKeys, constraintIndex );
+        this.actions = actions;
+        this.labels = labels;
+        this.relTypes = null;
+        this.propertyKeys = propertyKeys;
+        this.constraintIndex = constraintIndex;
+
+        assertInUnterminatedTransaction();
     }
 
-    public IndexDefinitionImpl( InternalSchemaActions actions, Label[] labels, RelationshipType[] relTypes, String[] propertyKeys, boolean constraintIndex )
+    public IndexDefinitionImpl( InternalSchemaActions actions, RelationshipType[] relTypes, String[] propertyKeys, boolean constraintIndex )
     {
         this.actions = actions;
-        this.labels = labels;
+        this.labels = null;
         this.relTypes = relTypes;
         this.propertyKeys = propertyKeys;
         this.constraintIndex = constraintIndex;
diff --git a/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/NodePropertyUniqueConstraintCreator.java b/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/NodePropertyUniqueConstraintCreator.java
index 694377c0f3ffa..bc81c49197232 100644
--- a/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/NodePropertyUniqueConstraintCreator.java
+++ b/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/NodePropertyUniqueConstraintCreator.java
@@ -46,8 +46,7 @@ public final ConstraintDefinition create()
         assertInUnterminatedTransaction();
 
         IndexDefinitionImpl definition =
-                new IndexDefinitionImpl( actions, label, propertyKeys.toArray( new String[propertyKeys.size()] ),
-                        true );
+                new IndexDefinitionImpl( actions, new Label[]{label}, propertyKeys.toArray( new String[0] ), true );
         return actions.createPropertyUniquenessConstraint( definition );
     }
 }
diff --git a/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/SchemaImpl.java b/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/SchemaImpl.java
index e6501366e92f6..92edfa628e326 100644
--- a/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/SchemaImpl.java
+++ b/community/kernel/src/main/java/org/neo4j/kernel/impl/coreapi/schema/SchemaImpl.java
@@ -148,31 +148,27 @@ private IndexDefinition descriptorToDefinition( final TokenRead tokenRead, Index
         {
             SchemaDescriptor schema = index.schema();
             int[] entityTokenIds = schema.getEntityTokenIds();
-            Label[] labels = null;
-            RelationshipType[] relTypes = null;
+            boolean constraintIndex = index.isUnique();
+            String[] propertyNames = PropertyNameUtils.getPropertyKeys( tokenRead, index.properties() );
             switch ( schema.entityType() )
             {
             case NODE:
-                labels = new Label[entityTokenIds.length];
+                Label[] labels = new Label[entityTokenIds.length];
                 for ( int i = 0; i < labels.length; i++ )
                 {
                     labels[i] = label( tokenRead.nodeLabelName( entityTokenIds[i] ) );
                 }
-                break;
+                return new IndexDefinitionImpl( actions, labels, propertyNames, constraintIndex );
             case RELATIONSHIP:
-                relTypes = new RelationshipType[entityTokenIds.length];
+                RelationshipType[] relTypes = new RelationshipType[entityTokenIds.length];
                 for ( int i = 0; i < relTypes.length; i++ )
                 {
                     relTypes[i] = withName( tokenRead.relationshipTypeName( entityTokenIds[i] ) );
                 }
-                break;
+                return new IndexDefinitionImpl( actions, relTypes, propertyNames, constraintIndex );
             default:
                 throw new IllegalArgumentException( "Cannot create IndexDefinition for " + schema.entityType() + " entity-typed schema." );
             }
-
-            boolean constraintIndex = index.isUnique();
-            String[] propertyNames = PropertyNameUtils.getPropertyKeys( tokenRead, index.properties() );
-            return new IndexDefinitionImpl( actions, labels, relTypes, propertyNames, constraintIndex );
         }
         catch ( KernelException e )
         {
@@ -475,22 +471,24 @@ private ConstraintDefinition asConstraintDefinition( ConstraintDescriptor constr
              constraint instanceof UniquenessConstraintDescriptor )
         {
             SchemaDescriptor schemaDescriptor = constraint.schema();
-            Label label = Label.label( lookup.labelGetName( schemaDescriptor.keyId() ) );
-            String[] propertyKeys = Arrays.stream( schemaDescriptor.getPropertyIds() )
-                    .mapToObj( lookup::propertyKeyGetName ).toArray( String[]::new );
+            int[] entityTokenIds = schemaDescriptor.getEntityTokenIds();
+            Label[] labels = new Label[entityTokenIds.length];
+            for ( int i = 0; i < entityTokenIds.length; i++ )
+            {
+                labels[i] = Label.label( lookup.labelGetName( entityTokenIds[i] ) );
+            }
+            String[] propertyKeys = Arrays.stream( schemaDescriptor.getPropertyIds() ).mapToObj( lookup::propertyKeyGetName ).toArray( String[]::new );
             if ( constraint instanceof NodeExistenceConstraintDescriptor )
             {
-                return new NodePropertyExistenceConstraintDefinition( actions, label, propertyKeys );
+                return new NodePropertyExistenceConstraintDefinition( actions, labels[0], propertyKeys );
             }
             else if ( constraint instanceof UniquenessConstraintDescriptor )
             {
-                return new UniquenessConstraintDefinition( actions, new IndexDefinitionImpl( actions, label,
-                        propertyKeys, true ) );
+                return new UniquenessConstraintDefinition( actions, new IndexDefinitionImpl( actions, labels, propertyKeys, true ) );
             }
             else
             {
-                return new NodeKeyConstraintDefinition( actions, new IndexDefinitionImpl( actions, label,
-                        propertyKeys, true ) );
+                return new NodeKeyConstraintDefinition( actions, new IndexDefinitionImpl( actions, labels, propertyKeys, true ) );
             }
         }
         else if ( constraint instanceof RelExistenceConstraintDescriptor )
@@ -532,7 +530,7 @@ public IndexDefinition createIndexDefinition( Label label, String... propertyKey
             {
                 try
                 {
-                    IndexDefinition indexDefinition = new IndexDefinitionImpl( this, label, propertyKeys, false );
+                    IndexDefinition indexDefinition = new IndexDefinitionImpl( this, new Label[]{label}, propertyKeys, false );
                     TokenWrite tokenWrite = transaction.tokenWrite();
                     int labelId = tokenWrite.labelGetOrCreateForName( indexDefinition.getLabel().name() );
                     int[] propertyKeyIds = getOrCreatePropertyKeyIds( tokenWrite, indexDefinition );
diff --git a/community/kernel/src/main/java/org/neo4j/unsafe/batchinsert/internal/BatchInserterImpl.java b/community/kernel/src/main/java/org/neo4j/unsafe/batchinsert/internal/BatchInserterImpl.java
index 3fb254c217528..a8bfa6b3e0421 100644
--- a/community/kernel/src/main/java/org/neo4j/unsafe/batchinsert/internal/BatchInserterImpl.java
+++ b/community/kernel/src/main/java/org/neo4j/unsafe/batchinsert/internal/BatchInserterImpl.java
@@ -1118,7 +1118,7 @@ public IndexDefinition createIndexDefinition( Label label, String... propertyKey
             validateIndexCanBeCreated( labelId, propertyKeyIds );
 
             createIndex( labelId, propertyKeyIds );
-            return new IndexDefinitionImpl( this, label, propertyKeys, false );
+            return new IndexDefinitionImpl( this, new Label[]{label}, propertyKeys, false );
         }
 
         @Override
diff --git a/enterprise/kernel/src/test/java/org/neo4j/graphdb/SchemaWithPECAcceptanceTest.java b/enterprise/kernel/src/test/java/org/neo4j/graphdb/SchemaWithPECAcceptanceTest.java
index bcc9032b3fa93..9b246fc714cdc 100644
--- a/enterprise/kernel/src/test/java/org/neo4j/graphdb/SchemaWithPECAcceptanceTest.java
+++ b/enterprise/kernel/src/test/java/org/neo4j/graphdb/SchemaWithPECAcceptanceTest.java
@@ -134,7 +134,7 @@ private ConstraintDefinition createUniquenessConstraint( Label label, String pro
         SchemaHelper.createUniquenessConstraint( db, label, propertyKey );
         SchemaHelper.awaitIndexes( db );
         InternalSchemaActions actions = mock( InternalSchemaActions.class );
-        IndexDefinition index = new IndexDefinitionImpl( actions, label, new String[]{propertyKey}, true );
+        IndexDefinition index = new IndexDefinitionImpl( actions, new Label[]{label}, new String[]{propertyKey}, true );
         return new UniquenessConstraintDefinition( actions, index );
     }
 
@@ -143,7 +143,7 @@ private ConstraintDefinition createNodeKeyConstraint( Label label, String proper
         SchemaHelper.createNodeKeyConstraint( db, label, propertyKey );
         SchemaHelper.awaitIndexes( db );
         InternalSchemaActions actions = mock( InternalSchemaActions.class );
-        IndexDefinition index = new IndexDefinitionImpl( actions, label, new String[]{propertyKey}, true );
+        IndexDefinition index = new IndexDefinitionImpl( actions, new Label[]{label}, new String[]{propertyKey}, true );
         return new NodeKeyConstraintDefinition( actions, index );
     }