diff --git a/truffle/src/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/ChildExecutionTest.java b/truffle/src/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/ChildExecutionTest.java
index 0bb1d49c822e..79a58713e302 100644
--- a/truffle/src/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/ChildExecutionTest.java
+++ b/truffle/src/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/ChildExecutionTest.java
@@ -43,8 +43,6 @@
 import com.oracle.truffle.api.dsl.NodeChild;
 import com.oracle.truffle.api.dsl.NodeChildren;
 import com.oracle.truffle.api.dsl.Specialization;
-import com.oracle.truffle.api.dsl.TypeSystem;
-import com.oracle.truffle.api.dsl.TypeSystemReference;
 import com.oracle.truffle.api.frame.VirtualFrame;
 import com.oracle.truffle.api.nodes.Node;
 import com.oracle.truffle.api.nodes.UnexpectedResultException;
@@ -83,17 +81,6 @@ public String executeString(VirtualFrame frame) {
         }
     }
 
-    public static class ChildExecutionChildNodeWithError extends Node {
-
-        public int executeInt(VirtualFrame frame) throws UnexpectedResultException {
-            throw new UnexpectedResultException(null);
-        }
-
-        public Object executeObject(VirtualFrame frame) {
-            return 0;
-        }
-    }
-
     @ExpectError("Child execution method: String ChildExecutionChildNode2::executeString(VirtualFrame) called from method: boolean TestNode2::executeBool(boolean) requires a frame parameter.")
     @NodeChildren({
                     @NodeChild(value = "first", type = ChildExecutionChildNode2.class),
@@ -144,28 +131,4 @@ protected boolean doIt(String a, String b) {
             return a.isEmpty() && b.isEmpty();
         }
     }
-
-    @TypeSystem({int.class})
-    public static class ChildTestTypeSystem {
-    }
-
-    @NodeChildren({
-                    @NodeChild(value = "first", type = ChildExecutionChildNodeWithError.class),
-                    @NodeChild(value = "second", type = ChildExecutionChildNode2.class)
-    })
-    @TypeSystemReference(ChildTestTypeSystem.class)
-    public abstract static class TestNode4 extends Node {
-
-        public abstract Object execute(VirtualFrame frame);
-
-        @Specialization
-        protected boolean doItPrim(int a, String b) {
-            return true;
-        }
-
-        @Specialization
-        protected boolean doIt(String a, String b) {
-            return true;
-        }
-    }
 }