diff --git a/api/maven-api-model/src/main/mdo/maven.mdo b/api/maven-api-model/src/main/mdo/maven.mdo
index 1ba9e93a1f1a..c4ff0384a0be 100644
--- a/api/maven-api-model/src/main/mdo/maven.mdo
+++ b/api/maven-api-model/src/main/mdo/maven.mdo
@@ -603,6 +603,16 @@
             <multiplicity>*</multiplicity>
           </association>
         </field>
+        <field>
+          <name>exclusions</name>
+          <version>4.0.0+</version>
+          <description>Lists a set of artifacts that should be excluded from this repo's
+            dependency list when it comes to calculating transitive dependencies.</description>
+          <association>
+            <type>Exclusion</type>
+            <multiplicity>*</multiplicity>
+          </association>
+        </field>
         <field xdoc.separator="blank">
           <name>repositories</name>
           <version>4.0.0+</version>
@@ -1810,6 +1820,16 @@
           </description>
           <type>String</type>
         </field>
+        <field>
+          <name>exclusions</name>
+          <version>4.0.0+</version>
+          <description>Lists a set of artifacts that should be excluded from this repo's
+            dependency list when it comes to calculating transitive dependencies.</description>
+          <association>
+            <type>Exclusion</type>
+            <multiplicity>*</multiplicity>
+          </association>
+        </field>
       </fields>
       <codeSegments>
         <codeSegment>
diff --git a/impl/maven-core/src/main/java/org/apache/maven/RepositoryUtils.java b/impl/maven-core/src/main/java/org/apache/maven/RepositoryUtils.java
index a093e4d90933..908b433e8e9c 100644
--- a/impl/maven-core/src/main/java/org/apache/maven/RepositoryUtils.java
+++ b/impl/maven-core/src/main/java/org/apache/maven/RepositoryUtils.java
@@ -29,6 +29,8 @@
 import java.util.Optional;
 import java.util.stream.Collectors;
 
+import org.apache.maven.api.annotations.Nonnull;
+import org.apache.maven.api.annotations.Nullable;
 import org.apache.maven.artifact.handler.ArtifactHandler;
 import org.apache.maven.artifact.handler.DefaultArtifactHandler;
 import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
@@ -65,11 +67,13 @@
  */
 public class RepositoryUtils {
 
-    private static String nullify(String string) {
+    @Nullable
+    private static String nullify(@Nullable String string) {
         return (string == null || string.isEmpty()) ? null : string;
     }
 
-    public static org.apache.maven.artifact.Artifact toArtifact(Dependency dependency) {
+    @Nullable
+    public static org.apache.maven.artifact.Artifact toArtifact(@Nullable Dependency dependency) {
         if (dependency == null) {
             return null;
         }
@@ -81,7 +85,8 @@ public static org.apache.maven.artifact.Artifact toArtifact(Dependency dependenc
         return result;
     }
 
-    public static org.apache.maven.artifact.Artifact toArtifact(Artifact artifact) {
+    @Nullable
+    public static org.apache.maven.artifact.Artifact toArtifact(@Nullable Artifact artifact) {
         if (artifact == null) {
             return null;
         }
@@ -112,10 +117,10 @@ public static org.apache.maven.artifact.Artifact toArtifact(Artifact artifact) {
     }
 
     public static void toArtifacts(
-            Collection<org.apache.maven.artifact.Artifact> artifacts,
-            Collection<? extends DependencyNode> nodes,
-            List<String> trail,
-            DependencyFilter filter) {
+            @Nonnull Collection<org.apache.maven.artifact.Artifact> artifacts,
+            @Nonnull Collection<? extends DependencyNode> nodes,
+            @Nonnull List<String> trail,
+            @Nullable DependencyFilter filter) {
         for (DependencyNode node : nodes) {
             org.apache.maven.artifact.Artifact artifact = toArtifact(node.getDependency());
 
@@ -132,7 +137,8 @@ public static void toArtifacts(
         }
     }
 
-    public static Artifact toArtifact(org.apache.maven.artifact.Artifact artifact) {
+    @Nullable
+    public static Artifact toArtifact(@Nullable org.apache.maven.artifact.Artifact artifact) {
         if (artifact == null) {
             return null;
         }
@@ -162,7 +168,8 @@ public static Artifact toArtifact(org.apache.maven.artifact.Artifact artifact) {
     }
 
     public static Dependency toDependency(
-            org.apache.maven.artifact.Artifact artifact, Collection<org.apache.maven.model.Exclusion> exclusions) {
+            @Nullable org.apache.maven.artifact.Artifact artifact,
+            @Nullable Collection<org.apache.maven.model.Exclusion> exclusions) {
         if (artifact == null) {
             return null;
         }
@@ -175,13 +182,15 @@ public static Dependency toDependency(
         return new Dependency(result, artifact.getScope(), artifact.isOptional(), excl);
     }
 
-    public static List<RemoteRepository> toRepos(List<ArtifactRepository> repos) {
+    @Nonnull
+    public static List<RemoteRepository> toRepos(@Nullable List<ArtifactRepository> repos) {
         return Optional.ofNullable(repos).orElse(Collections.emptyList()).stream()
                 .map(RepositoryUtils::toRepo)
                 .collect(Collectors.toList());
     }
 
-    public static RemoteRepository toRepo(ArtifactRepository repo) {
+    @Nullable
+    public static RemoteRepository toRepo(@Nullable ArtifactRepository repo) {
         RemoteRepository result = null;
         if (repo != null) {
             RemoteRepository.Builder builder =
@@ -197,7 +206,8 @@ public static RemoteRepository toRepo(ArtifactRepository repo) {
         return result;
     }
 
-    public static String getLayout(ArtifactRepository repo) {
+    @Nonnull
+    public static String getLayout(@Nonnull ArtifactRepository repo) {
         try {
             return repo.getLayout().getId();
         } catch (LinkageError e) {
@@ -216,7 +226,8 @@ public static String getLayout(ArtifactRepository repo) {
         }
     }
 
-    private static RepositoryPolicy toPolicy(ArtifactRepositoryPolicy policy) {
+    @Nullable
+    private static RepositoryPolicy toPolicy(@Nullable ArtifactRepositoryPolicy policy) {
         RepositoryPolicy result = null;
         if (policy != null) {
             result = new RepositoryPolicy(policy.isEnabled(), policy.getUpdatePolicy(), policy.getChecksumPolicy());
@@ -224,7 +235,8 @@ private static RepositoryPolicy toPolicy(ArtifactRepositoryPolicy policy) {
         return result;
     }
 
-    private static Authentication toAuthentication(org.apache.maven.artifact.repository.Authentication auth) {
+    @Nullable
+    private static Authentication toAuthentication(@Nullable org.apache.maven.artifact.repository.Authentication auth) {
         Authentication result = null;
         if (auth != null) {
             AuthenticationBuilder authBuilder = new AuthenticationBuilder();
@@ -235,7 +247,8 @@ private static Authentication toAuthentication(org.apache.maven.artifact.reposit
         return result;
     }
 
-    private static Proxy toProxy(org.apache.maven.repository.Proxy proxy) {
+    @Nullable
+    private static Proxy toProxy(@Nullable org.apache.maven.repository.Proxy proxy) {
         Proxy result = null;
         if (proxy != null) {
             AuthenticationBuilder authBuilder = new AuthenticationBuilder();
@@ -245,7 +258,8 @@ private static Proxy toProxy(org.apache.maven.repository.Proxy proxy) {
         return result;
     }
 
-    public static ArtifactHandler newHandler(Artifact artifact) {
+    @Nonnull
+    public static ArtifactHandler newHandler(@Nonnull Artifact artifact) {
         String type = artifact.getProperty(ArtifactProperties.TYPE, artifact.getExtension());
         return new DefaultArtifactHandler(
                 type,
@@ -258,7 +272,8 @@ public static ArtifactHandler newHandler(Artifact artifact) {
                 Boolean.parseBoolean(artifact.getProperty(MavenArtifactProperties.CONSTITUTES_BUILD_PATH, "")));
     }
 
-    public static ArtifactType newArtifactType(String id, ArtifactHandler handler) {
+    @Nonnull
+    public static ArtifactType newArtifactType(@Nonnull String id, @Nonnull ArtifactHandler handler) {
         return new DefaultArtifactType(
                 id,
                 handler.getExtension(),
@@ -268,8 +283,9 @@ public static ArtifactType newArtifactType(String id, ArtifactHandler handler) {
                 handler.isIncludesDependencies());
     }
 
+    @Nonnull
     public static Dependency toDependency(
-            org.apache.maven.model.Dependency dependency, ArtifactTypeRegistry stereotypes) {
+            @Nonnull org.apache.maven.model.Dependency dependency, @Nonnull ArtifactTypeRegistry stereotypes) {
         ArtifactType stereotype = stereotypes.get(dependency.getType());
         if (stereotype == null) {
             stereotype = new DefaultArtifactType(dependency.getType());
@@ -303,38 +319,46 @@ public static Dependency toDependency(
                 exclusions);
     }
 
-    private static Exclusion toExclusion(org.apache.maven.model.Exclusion exclusion) {
+    @Nonnull
+    public static Exclusion toExclusion(@Nonnull org.apache.maven.model.Exclusion exclusion) {
         return new Exclusion(exclusion.getGroupId(), exclusion.getArtifactId(), "*", "*");
     }
 
-    public static ArtifactTypeRegistry newArtifactTypeRegistry(ArtifactHandlerManager handlerManager) {
+    @Nonnull
+    public static ArtifactTypeRegistry newArtifactTypeRegistry(@Nonnull ArtifactHandlerManager handlerManager) {
         return new MavenArtifactTypeRegistry(handlerManager);
     }
 
     static class MavenArtifactTypeRegistry implements ArtifactTypeRegistry {
 
+        @Nonnull
         private final ArtifactHandlerManager handlerManager;
 
-        MavenArtifactTypeRegistry(ArtifactHandlerManager handlerManager) {
+        MavenArtifactTypeRegistry(@Nonnull ArtifactHandlerManager handlerManager) {
             this.handlerManager = handlerManager;
         }
 
-        public ArtifactType get(String stereotypeId) {
+        @Nullable
+        @Override
+        public ArtifactType get(@Nonnull String stereotypeId) {
             ArtifactHandler handler = handlerManager.getArtifactHandler(stereotypeId);
             return newArtifactType(stereotypeId, handler);
         }
     }
 
-    public static Collection<Artifact> toArtifacts(Collection<org.apache.maven.artifact.Artifact> artifactsToConvert) {
+    @Nonnull
+    public static Collection<Artifact> toArtifacts(
+            @Nonnull Collection<org.apache.maven.artifact.Artifact> artifactsToConvert) {
         return artifactsToConvert.stream().map(RepositoryUtils::toArtifact).collect(Collectors.toList());
     }
 
-    public static WorkspaceRepository getWorkspace(RepositorySystemSession session) {
+    @Nullable
+    public static WorkspaceRepository getWorkspace(@Nonnull RepositorySystemSession session) {
         WorkspaceReader reader = session.getWorkspaceReader();
         return (reader != null) ? reader.getRepository() : null;
     }
 
-    public static boolean repositoriesEquals(List<RemoteRepository> r1, List<RemoteRepository> r2) {
+    public static boolean repositoriesEquals(@Nonnull List<RemoteRepository> r1, @Nonnull List<RemoteRepository> r2) {
         if (r1.size() != r2.size()) {
             return false;
         }
@@ -348,7 +372,7 @@ public static boolean repositoriesEquals(List<RemoteRepository> r1, List<RemoteR
         return true;
     }
 
-    public static int repositoriesHashCode(List<RemoteRepository> repositories) {
+    public static int repositoriesHashCode(@Nonnull List<RemoteRepository> repositories) {
         int result = 17;
         for (RemoteRepository repository : repositories) {
             result = 31 * result + repositoryHashCode(repository);
@@ -356,8 +380,11 @@ public static int repositoriesHashCode(List<RemoteRepository> repositories) {
         return result;
     }
 
+    @Nullable
     public static RepositorySystemSession overlay(
-            ArtifactRepository repository, RepositorySystemSession session, RepositorySystem system) {
+            @Nullable ArtifactRepository repository,
+            @Nullable RepositorySystemSession session,
+            @Nonnull RepositorySystem system) {
         if (repository == null || repository.getBasedir() == null) {
             return session;
         }
@@ -379,14 +406,14 @@ public static RepositorySystemSession overlay(
         return newSession;
     }
 
-    private static int repositoryHashCode(RemoteRepository repository) {
+    private static int repositoryHashCode(@Nonnull RemoteRepository repository) {
         int result = 17;
         Object obj = repository.getUrl();
         result = 31 * result + (obj != null ? obj.hashCode() : 0);
         return result;
     }
 
-    private static boolean policyEquals(RepositoryPolicy p1, RepositoryPolicy p2) {
+    private static boolean policyEquals(@Nonnull RepositoryPolicy p1, @Nonnull RepositoryPolicy p2) {
         if (p1 == p2) {
             return true;
         }
@@ -394,7 +421,7 @@ private static boolean policyEquals(RepositoryPolicy p1, RepositoryPolicy p2) {
         return p1.isEnabled() == p2.isEnabled() && Objects.equals(p1.getChecksumPolicy(), p2.getChecksumPolicy());
     }
 
-    private static boolean repositoryEquals(RemoteRepository r1, RemoteRepository r2) {
+    private static boolean repositoryEquals(@Nonnull RemoteRepository r1, @Nonnull RemoteRepository r2) {
         if (r1 == r2) {
             return true;
         }
diff --git a/impl/maven-core/src/main/java/org/apache/maven/project/DefaultProjectDependenciesResolver.java b/impl/maven-core/src/main/java/org/apache/maven/project/DefaultProjectDependenciesResolver.java
index ab8407e6257d..c52063403de5 100644
--- a/impl/maven-core/src/main/java/org/apache/maven/project/DefaultProjectDependenciesResolver.java
+++ b/impl/maven-core/src/main/java/org/apache/maven/project/DefaultProjectDependenciesResolver.java
@@ -148,6 +148,13 @@ public DependencyResolutionResult resolve(DependencyResolutionRequest request)
             }
         }
 
+        List<Exclusion> exclusions = project.getExclusions();
+        if (exclusions != null) {
+            for (Exclusion exclusion : exclusions) {
+                collect.addExclusion(RepositoryUtils.toExclusion(exclusion));
+            }
+        }
+
         DependencyRequest depRequest = new DependencyRequest(collect, filter);
         depRequest.setTrace(trace);
 
diff --git a/impl/maven-core/src/main/java/org/apache/maven/project/MavenProject.java b/impl/maven-core/src/main/java/org/apache/maven/project/MavenProject.java
index aa682b9858a1..279c8b59c532 100644
--- a/impl/maven-core/src/main/java/org/apache/maven/project/MavenProject.java
+++ b/impl/maven-core/src/main/java/org/apache/maven/project/MavenProject.java
@@ -58,6 +58,7 @@
 import org.apache.maven.model.DependencyManagement;
 import org.apache.maven.model.Developer;
 import org.apache.maven.model.DistributionManagement;
+import org.apache.maven.model.Exclusion;
 import org.apache.maven.model.Extension;
 import org.apache.maven.model.IssueManagement;
 import org.apache.maven.model.License;
@@ -312,6 +313,10 @@ public DependencyManagement getDependencyManagement() {
         return getModel().getDependencyManagement();
     }
 
+    public List<Exclusion> getExclusions() {
+        return getModel().getExclusions();
+    }
+
     // ----------------------------------------------------------------------
     // Test and compile source roots.
     // ----------------------------------------------------------------------
diff --git a/pom.xml b/pom.xml
index 4325013012d5..480bc3f22a2f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -162,7 +162,7 @@ under the License.
     <plexusInterpolationVersion>1.27</plexusInterpolationVersion>
     <plexusTestingVersion>1.4.0</plexusTestingVersion>
     <plexusXmlVersion>4.0.4</plexusXmlVersion>
-    <resolverVersion>2.0.6</resolverVersion>
+    <resolverVersion>2.0.7.exclusion</resolverVersion>
     <securityDispatcherVersion>4.1.0</securityDispatcherVersion>
     <sisuVersion>0.9.0.M3</sisuVersion>
     <slf4jVersion>2.0.16</slf4jVersion>