diff --git a/maven-aether-provider/src/main/java/org/apache/maven/repository/internal/DefaultArtifactDescriptorReader.java b/maven-aether-provider/src/main/java/org/apache/maven/repository/internal/DefaultArtifactDescriptorReader.java
index 60a183c499..380a6078c3 100644
--- a/maven-aether-provider/src/main/java/org/apache/maven/repository/internal/DefaultArtifactDescriptorReader.java
+++ b/maven-aether-provider/src/main/java/org/apache/maven/repository/internal/DefaultArtifactDescriptorReader.java
@@ -248,7 +248,7 @@ public class DefaultArtifactDescriptorReader
             }
 
             List<License> licenses = model.getLicenses();
-            properties.put( "license.count", Integer.valueOf( licenses.size() ) );
+            properties.put( "license.count", licenses.size() );
             for ( int i = 0; i < licenses.size(); i++ )
             {
                 License license = licenses.get( i );
diff --git a/maven-aether-provider/src/test/java/org/apache/maven/repository/internal/util/ConsoleTransferListener.java b/maven-aether-provider/src/test/java/org/apache/maven/repository/internal/util/ConsoleTransferListener.java
index f5e8580999..1b77d4da82 100644
--- a/maven-aether-provider/src/test/java/org/apache/maven/repository/internal/util/ConsoleTransferListener.java
+++ b/maven-aether-provider/src/test/java/org/apache/maven/repository/internal/util/ConsoleTransferListener.java
@@ -62,7 +62,7 @@ public class ConsoleTransferListener
     public void transferProgressed( TransferEvent event )
     {
         TransferResource resource = event.getResource();
-        downloads.put( resource, Long.valueOf( event.getTransferredBytes() ) );
+        downloads.put( resource, event.getTransferredBytes() );
 
         StringBuilder buffer = new StringBuilder( 64 );
 
diff --git a/maven-compat/src/main/java/org/apache/maven/project/interpolation/StringSearchModelInterpolator.java b/maven-compat/src/main/java/org/apache/maven/project/interpolation/StringSearchModelInterpolator.java
index da1f84a3cf..68f282b902 100644
--- a/maven-compat/src/main/java/org/apache/maven/project/interpolation/StringSearchModelInterpolator.java
+++ b/maven-compat/src/main/java/org/apache/maven/project/interpolation/StringSearchModelInterpolator.java
@@ -354,7 +354,7 @@ public class StringSearchModelInterpolator
         {
             if ( !fieldIsPrimitiveByClass.containsKey( fieldType ) )
             {
-                fieldIsPrimitiveByClass.put( fieldType, Boolean.valueOf( fieldType.isPrimitive() ) );
+                fieldIsPrimitiveByClass.put( fieldType, fieldType.isPrimitive() );
             }
 
             if ( fieldIsPrimitiveByClass.get( fieldType ).booleanValue() )
diff --git a/maven-compat/src/main/java/org/apache/maven/repository/legacy/TransferListenerAdapter.java b/maven-compat/src/main/java/org/apache/maven/repository/legacy/TransferListenerAdapter.java
index eb6e8950c0..d6836cbeb0 100644
--- a/maven-compat/src/main/java/org/apache/maven/repository/legacy/TransferListenerAdapter.java
+++ b/maven-compat/src/main/java/org/apache/maven/repository/legacy/TransferListenerAdapter.java
@@ -110,11 +110,11 @@ public class TransferListenerAdapter
             transferred = transfers.get( transferEvent.getResource() );
             if ( transferred == null )
             {
-                transferred = Long.valueOf( length );
+                transferred = (long) length;
             }
             else
             {
-                transferred = Long.valueOf( transferred.longValue() + length );
+                transferred = transferred.longValue() + length;
             }
             transfers.put( transferEvent.getResource(), transferred );
         }
diff --git a/maven-compat/src/test/java/org/apache/maven/project/inheritance/t02/ProjectInheritanceTest.java b/maven-compat/src/test/java/org/apache/maven/project/inheritance/t02/ProjectInheritanceTest.java
index 927027c7f0..43ba71dd41 100644
--- a/maven-compat/src/test/java/org/apache/maven/project/inheritance/t02/ProjectInheritanceTest.java
+++ b/maven-compat/src/test/java/org/apache/maven/project/inheritance/t02/ProjectInheritanceTest.java
@@ -123,12 +123,12 @@ public class ProjectInheritanceTest
         String testPluginArtifactId = "maven-compiler-plugin";
         
         // this is the plugin we're looking for.
-        validPluginCounts.put( testPluginArtifactId, new Integer( 0 ) );
+        validPluginCounts.put( testPluginArtifactId, 0 );
         
         // these are injected if -DperformRelease=true
-        validPluginCounts.put( "maven-deploy-plugin", new Integer( 0 ) );
-        validPluginCounts.put( "maven-javadoc-plugin", new Integer( 0 ) );
-        validPluginCounts.put( "maven-source-plugin", new Integer( 0 ) );
+        validPluginCounts.put( "maven-deploy-plugin", 0 );
+        validPluginCounts.put( "maven-javadoc-plugin", 0 );
+        validPluginCounts.put( "maven-source-plugin", 0 );
         
         Plugin testPlugin = null;
         
@@ -157,7 +157,7 @@ public class ProjectInheritanceTest
                 }
                 else
                 {
-                    count = new Integer( count.intValue() + 1 );
+                    count = count.intValue() + 1;
                     
                     validPluginCounts.put( pluginArtifactId, count );
                 }
diff --git a/maven-core/src/main/java/org/apache/maven/DefaultMaven.java b/maven-core/src/main/java/org/apache/maven/DefaultMaven.java
index 2d7f9a9b01..aaddef0acb 100644
--- a/maven-core/src/main/java/org/apache/maven/DefaultMaven.java
+++ b/maven-core/src/main/java/org/apache/maven/DefaultMaven.java
@@ -335,7 +335,7 @@ public class DefaultMaven
 
         Map<Object, Object> configProps = new LinkedHashMap<Object, Object>();
         configProps.put( ConfigurationProperties.USER_AGENT, getUserAgent() );
-        configProps.put( ConfigurationProperties.INTERACTIVE, Boolean.valueOf( request.isInteractiveMode() ) );
+        configProps.put( ConfigurationProperties.INTERACTIVE, request.isInteractiveMode() );
         configProps.putAll( request.getSystemProperties() );
         configProps.putAll( request.getUserProperties() );
 
diff --git a/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuilder.java b/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuilder.java
index 744d231d06..a5abc2989e 100644
--- a/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuilder.java
+++ b/maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuilder.java
@@ -651,7 +651,7 @@ public class DefaultProjectBuilder
             Boolean profilesXml = profilesXmls.get( basedir );
             if ( profilesXml == null )
             {
-                profilesXml = Boolean.valueOf( new File( basedir, "profiles.xml" ).exists() );
+                profilesXml = new File( basedir, "profiles.xml" ).exists();
                 profilesXmls.put( basedir, profilesXml );
             }
             if ( profilesXml.booleanValue() )
diff --git a/maven-embedder/src/main/java/org/apache/maven/cli/transfer/ConsoleMavenTransferListener.java b/maven-embedder/src/main/java/org/apache/maven/cli/transfer/ConsoleMavenTransferListener.java
index f5f4abc8fd..bfc84c03bb 100644
--- a/maven-embedder/src/main/java/org/apache/maven/cli/transfer/ConsoleMavenTransferListener.java
+++ b/maven-embedder/src/main/java/org/apache/maven/cli/transfer/ConsoleMavenTransferListener.java
@@ -50,7 +50,7 @@ public class ConsoleMavenTransferListener
         throws TransferCancelledException
     {
         TransferResource resource = event.getResource();
-        downloads.put( resource, Long.valueOf( event.getTransferredBytes() ) );
+        downloads.put( resource, event.getTransferredBytes() );
 
         StringBuilder buffer = new StringBuilder( 64 );
 
diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuilder.java b/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuilder.java
index 0d264cf09a..09718eccfd 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuilder.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/building/DefaultModelBuilder.java
@@ -444,7 +444,7 @@ public class DefaultModelBuilder
             InputSource source = request.isLocationTracking() ? new InputSource() : null;
 
             Map<String, Object> options = new HashMap<String, Object>();
-            options.put( ModelProcessor.IS_STRICT, Boolean.valueOf( strict ) );
+            options.put( ModelProcessor.IS_STRICT, strict );
             options.put( ModelProcessor.INPUT_SOURCE, source );
             options.put( ModelProcessor.SOURCE, modelSource );
 
diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/merge/MavenModelMerger.java b/maven-model-builder/src/main/java/org/apache/maven/model/merge/MavenModelMerger.java
index 568bbcb2a0..0c35033bbe 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/merge/MavenModelMerger.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/merge/MavenModelMerger.java
@@ -252,7 +252,7 @@ public class MavenModelMerger
             merged.addAll( tgt );
             for ( int i = 0, n = tgt.size(); i < n; i++ )
             {
-                indices.add( Integer.valueOf( i ) );
+                indices.add( i );
             }
             for ( int i = 0, n = src.size(); i < n; i++ )
             {
@@ -260,7 +260,7 @@ public class MavenModelMerger
                 if ( !excludes.contains( s ) )
                 {
                     merged.add( s );
-                    indices.add( Integer.valueOf( ~i ) );
+                    indices.add( ~i );
                 }
             }
             target.setModules( merged );