diff --git a/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/bestpractices/xml/UnusedPrivateMethod.xml b/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/bestpractices/xml/UnusedPrivateMethod.xml
index 3a91d558ef..cc6b1643cc 100644
--- a/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/bestpractices/xml/UnusedPrivateMethod.xml
+++ b/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/bestpractices/xml/UnusedPrivateMethod.xml
@@ -1901,6 +1901,40 @@ public class NotUsedPrivateMethodFalsePositive {
         return clientIdsToDps.getUnchecked("");
     }
 }
+]]></code>
+    </test-code>
+
+    <test-code>
+        <description>[java] UnusedPrivateMethod false positive when using @MethodSource on a @Nested test #4975</description>
+        <expected-problems>0</expected-problems>
+        <code><![CDATA[
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.params.provider.MethodSource;
+import org.junit.jupiter.params.ParameterizedTest;
+
+class FooTest{
+    @Nested
+    class ExampleTest {
+
+        @ParameterizedTest
+        @MethodSource("getStrings")
+        void exampleTestUsingPrivateMethod(
+                List<String> strings) {
+            // insert code
+        }
+
+        private static Stream<Arguments> getStrings() {
+            Stream<Arguments> tests = Stream.of(
+                    Arguments.of(List.of("TEST", "TEST_1")),
+                    Arguments.of(List.of("TEST_2", "TEST_3"))
+            );
+
+            return Stream.of(tests)
+                    .reduce(Stream::concat)
+                    .orElseGet(Stream::empty);
+        }
+    }
+}
 ]]></code>
     </test-code>
 </test-data>