diff --git a/org.springframework.core/src/main/java/org/springframework/core/env/ConfigurableEnvironment.java b/org.springframework.core/src/main/java/org/springframework/core/env/ConfigurableEnvironment.java
index 85fe51c4f97..d24e402a244 100644
--- a/org.springframework.core/src/main/java/org/springframework/core/env/ConfigurableEnvironment.java
+++ b/org.springframework.core/src/main/java/org/springframework/core/env/ConfigurableEnvironment.java
@@ -16,6 +16,10 @@
 
 package org.springframework.core.env;
 
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.Properties;
+
 import org.springframework.core.convert.ConversionService;
 
 /**
@@ -24,19 +28,34 @@ import org.springframework.core.convert.ConversionService;
  * @author Chris Beams
  * @since 3.1
  */
-public interface ConfigurableEnvironment extends Environment, PropertySourceAggregator {
+public interface ConfigurableEnvironment extends Environment {
 
-	/**
-	 * TODO SPR-7508: document
-	 */
 	void setActiveProfiles(String... profiles);
 
-	/**
-	 * TODO SPR-7508: document
-	 */
 	void setDefaultProfiles(String... profiles);
 
 	public ConversionService getConversionService();
 
 	public void setConversionService(ConversionService conversionService);
+
+	void addPropertySource(PropertySource<?> propertySource);
+
+	void addPropertySource(String name, Properties properties);
+
+	void addPropertySource(String name, Map<String, String> propertiesMap);
+
+	/**
+	 * TODO: SPR-7508 document
+	 *
+	 * Care should be taken to ensure duplicates are not introduced.
+	 *
+	 * Recommend using {@link LinkedList#set(int, Object)} for replacing items,
+	 * and combining {@link LinkedList#remove()} with other methods like
+	 * {@link LinkedList#add(Object)} to prevent duplicates.
+	 *
+	 * Explain how {@link PropertySource#equals(Object)} and hashCode work, and that
+	 * recommend using {@link PropertySource#named(String)} for lookups in the list.
+	 */
+	LinkedList<PropertySource<?>> getPropertySources();
+
 }
diff --git a/org.springframework.core/src/main/java/org/springframework/core/env/PropertySourceAggregator.java b/org.springframework.core/src/main/java/org/springframework/core/env/PropertySourceAggregator.java
deleted file mode 100644
index 431d3c2a835..00000000000
--- a/org.springframework.core/src/main/java/org/springframework/core/env/PropertySourceAggregator.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright 2002-2010 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.springframework.core.env;
-
-import java.util.LinkedList;
-import java.util.Map;
-import java.util.Properties;
-
-/**
- * TODO: SPR-7508 document
- *
- * @author Chris Beams
- * @since 3.1
- */
-public interface PropertySourceAggregator {
-
-	void addPropertySource(PropertySource<?> propertySource);
-
-	void addPropertySource(String name, Properties properties);
-
-	void addPropertySource(String name, Map<String, String> propertiesMap);
-
-	/**
-	 * TODO: SPR-7508 document
-	 *
-	 * Care should be taken to ensure duplicates are not introduced.
-	 *
-	 * Recommend using {@link LinkedList#set(int, Object)} for replacing items,
-	 * and combining {@link LinkedList#remove()} with other methods like
-	 * {@link LinkedList#add(Object)} to prevent duplicates.
-	 *
-	 * Explain how {@link PropertySource#equals(Object)} and hashCode work, and that
-	 * recommend using {@link PropertySource#named(String)} for lookups in the list.
-	 */
-	LinkedList<PropertySource<?>> getPropertySources();
-
-}