diff --git a/archunit/src/main/java/com/tngtech/archunit/core/domain/JavaPackage.java b/archunit/src/main/java/com/tngtech/archunit/core/domain/JavaPackage.java
index 07197dffe1..f76291cdbb 100644
--- a/archunit/src/main/java/com/tngtech/archunit/core/domain/JavaPackage.java
+++ b/archunit/src/main/java/com/tngtech/archunit/core/domain/JavaPackage.java
@@ -303,7 +303,7 @@ private void setParent(JavaPackage parent) {
     }
 
     /**
-     * @return all classes directly contained in this package, but not classes in the lower levels of the package tree (compare {@link #getAllClasses()})
+     * @return all classes directly contained in this package, but not classes in the lower levels of the package tree (compare {@link #getClassesInPackageTree()})
      */
     @PublicAPI(usage = ACCESS)
     public Set<JavaClass> getClasses() {
@@ -311,13 +311,14 @@ public Set<JavaClass> getClasses() {
     }
 
     /**
-     * @return all classes contained in this package tree (compare {@link #getClasses()})
+     * @return all classes contained in this {@link JavaPackage package tree}. I.e. all classes in this package,
+     *         subpackages, subpackages of subpackages, and so on (compare {@link #getClasses()})
      */
     @PublicAPI(usage = ACCESS)
-    public Set<JavaClass> getAllClasses() {
+    public Set<JavaClass> getClassesInPackageTree() {
         ImmutableSet.Builder<JavaClass> result = ImmutableSet.<JavaClass>builder().addAll(classes);
         for (JavaPackage subpackage : getSubpackages()) {
-            result.addAll(subpackage.getAllClasses());
+            result.addAll(subpackage.getClassesInPackageTree());
         }
         return result.build();
     }
@@ -512,7 +513,7 @@ private static Set<Dependency> getClassDependenciesFrom(Set<JavaClass> classes)
      */
     @PublicAPI(usage = ACCESS)
     public Set<Dependency> getClassDependenciesFromThisPackageTree() {
-        return getClassDependenciesFrom(getAllClasses());
+        return getClassDependenciesFrom(getClassesInPackageTree());
     }
 
     /**
@@ -541,7 +542,7 @@ private static ImmutableSet<Dependency> getClassDependenciesTo(Set<JavaClass> cl
      */
     @PublicAPI(usage = ACCESS)
     public Set<Dependency> getClassDependenciesToThisPackageTree() {
-        return getClassDependenciesTo(getAllClasses());
+        return getClassDependenciesTo(getClassesInPackageTree());
     }
 
     /**
diff --git a/archunit/src/main/java/com/tngtech/archunit/library/metrics/MetricsComponents.java b/archunit/src/main/java/com/tngtech/archunit/library/metrics/MetricsComponents.java
index 8b19f39983..39ba96049f 100644
--- a/archunit/src/main/java/com/tngtech/archunit/library/metrics/MetricsComponents.java
+++ b/archunit/src/main/java/com/tngtech/archunit/library/metrics/MetricsComponents.java
@@ -121,7 +121,7 @@ public static <T> MetricsComponents<T> from(Collection<T> elements, Function<? s
     public static MetricsComponents<JavaClass> fromPackages(Collection<JavaPackage> packages) {
         ImmutableSet.Builder<MetricsComponent<JavaClass>> components = ImmutableSet.builder();
         for (JavaPackage javaPackage : packages) {
-            components.add(MetricsComponent.of(javaPackage.getName(), javaPackage.getAllClasses()));
+            components.add(MetricsComponent.of(javaPackage.getName(), javaPackage.getClassesInPackageTree()));
         }
         return MetricsComponents.of(components.build());
     }
diff --git a/archunit/src/test/java/com/tngtech/archunit/core/domain/JavaClassesTest.java b/archunit/src/test/java/com/tngtech/archunit/core/domain/JavaClassesTest.java
index 6d1dcc18fc..c89fbebdd2 100644
--- a/archunit/src/test/java/com/tngtech/archunit/core/domain/JavaClassesTest.java
+++ b/archunit/src/test/java/com/tngtech/archunit/core/domain/JavaClassesTest.java
@@ -40,14 +40,14 @@ public void restriction_on_classes_should_keep_the_original_package_tree() {
     public void creation_of_JavaClasses_from_existing_classes_should_keep_the_original_package_tree() {
         JavaClasses classes = JavaClasses.of(singletonList(ALL_CLASSES.get(SomeClass.class)));
 
-        assertThat(classes.getDefaultPackage().getAllClasses()).hasSameElementsAs(ALL_CLASSES.getDefaultPackage().getAllClasses());
+        assertThat(classes.getDefaultPackage().getClassesInPackageTree()).hasSameElementsAs(ALL_CLASSES.getDefaultPackage().getClassesInPackageTree());
     }
 
     @Test
     public void creation_of_JavaClasses_from_empty_classes_should_create_empty_default_package() {
         JavaClasses classes = JavaClasses.of(emptySet());
 
-        assertThat(classes.getDefaultPackage().getAllClasses()).isEmpty();
+        assertThat(classes.getDefaultPackage().getClassesInPackageTree()).isEmpty();
     }
 
     @Test
diff --git a/archunit/src/test/java/com/tngtech/archunit/core/domain/JavaPackageTest.java b/archunit/src/test/java/com/tngtech/archunit/core/domain/JavaPackageTest.java
index 62039740bf..1a2f8bb808 100644
--- a/archunit/src/test/java/com/tngtech/archunit/core/domain/JavaPackageTest.java
+++ b/archunit/src/test/java/com/tngtech/archunit/core/domain/JavaPackageTest.java
@@ -221,7 +221,7 @@ public void iterates_all_classes() {
 
         JavaPackage javaLang = defaultPackage.getPackage("java.lang");
 
-        assertThatTypes(javaLang.getAllClasses()).contain(Object.class, String.class, Annotation.class, Field.class);
+        assertThatTypes(javaLang.getClassesInPackageTree()).contain(Object.class, String.class, Annotation.class, Field.class);
     }
 
     @Test
diff --git a/archunit/src/test/java/com/tngtech/archunit/core/importer/ClassFileImporterSlowTest.java b/archunit/src/test/java/com/tngtech/archunit/core/importer/ClassFileImporterSlowTest.java
index ef30c901b7..c449bc3b01 100644
--- a/archunit/src/test/java/com/tngtech/archunit/core/importer/ClassFileImporterSlowTest.java
+++ b/archunit/src/test/java/com/tngtech/archunit/core/importer/ClassFileImporterSlowTest.java
@@ -171,7 +171,7 @@ public void creates_JavaPackages() {
 
         JavaPackage javaPackage = defaultPackage.getPackage("java.lang");
         assertThatTypes(javaPackage.getClasses()).contain(Object.class, String.class, Integer.class);
-        assertThatTypes(javaPackage.getAllClasses()).contain(Object.class, Annotation.class, Field.class);
+        assertThatTypes(javaPackage.getClassesInPackageTree()).contain(Object.class, Annotation.class, Field.class);
 
         assertThat(javaClasses.containPackage("java.util"))
                 .as("Classes contain package 'java.util'").isTrue();