diff --git a/pmd-ant/src/main/java/net/sourceforge/pmd/ant/Formatter.java b/pmd-ant/src/main/java/net/sourceforge/pmd/ant/Formatter.java
index 8201ef9878..cbdea6ac17 100644
--- a/pmd-ant/src/main/java/net/sourceforge/pmd/ant/Formatter.java
+++ b/pmd-ant/src/main/java/net/sourceforge/pmd/ant/Formatter.java
@@ -29,10 +29,10 @@ import net.sourceforge.pmd.Report;
 import net.sourceforge.pmd.annotation.InternalApi;
 import net.sourceforge.pmd.internal.util.IOUtil;
 import net.sourceforge.pmd.lang.document.TextFile;
-import net.sourceforge.pmd.reporting.FileNameRenderer;
 import net.sourceforge.pmd.renderers.Renderer;
 import net.sourceforge.pmd.renderers.RendererFactory;
 import net.sourceforge.pmd.reporting.FileAnalysisListener;
+import net.sourceforge.pmd.reporting.FileNameRenderer;
 import net.sourceforge.pmd.reporting.GlobalAnalysisListener;
 import net.sourceforge.pmd.reporting.ListenerInitializer;
 
diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/PmdAnalysis.java b/pmd-core/src/main/java/net/sourceforge/pmd/PmdAnalysis.java
index 249c089df0..6b4af459f1 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/PmdAnalysis.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/PmdAnalysis.java
@@ -6,10 +6,8 @@ package net.sourceforge.pmd;
 
 import static net.sourceforge.pmd.util.CollectionUtil.listOf;
 
-import java.io.File;
 import java.nio.file.Path;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
@@ -19,7 +17,6 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
 
-import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.slf4j.event.Level;
@@ -44,7 +41,6 @@ import net.sourceforge.pmd.lang.LanguageRegistry;
 import net.sourceforge.pmd.lang.LanguageVersion;
 import net.sourceforge.pmd.lang.LanguageVersionDiscoverer;
 import net.sourceforge.pmd.lang.document.FileCollector;
-import net.sourceforge.pmd.lang.document.FileId;
 import net.sourceforge.pmd.lang.document.TextFile;
 import net.sourceforge.pmd.renderers.Renderer;
 import net.sourceforge.pmd.reporting.ConfigurableFileNameRenderer;
@@ -566,58 +562,4 @@ public final class PmdAnalysis implements AutoCloseable {
         }
     }
 
-    /**
-     * Return the textfile's display name. Takes the shortest path we
-     * can construct from the relativize roots.
-     *
-     * <p>package private for test only</p>
-     */
-    public static String getDisplayName(FileId file, List<Path> relativizeRoots) {
-        String best = file.toAbsolutePath();
-        for (Path root : relativizeRoots) {
-            if (isFileSystemRoot(root)) {
-                // Absolutize the path. Since the relativize roots are
-                // sorted by ascending length, this should be the first in the list
-                // (so another root can override it).
-                best = file.toAbsolutePath();
-                continue;
-            }
-
-            String relative = relativizePath(root.toAbsolutePath().toString(), file.toAbsolutePath());
-            if (countSegments(relative) < countSegments(best)) {
-                best = relative;
-            }
-        }
-        return best;
-    }
-
-    private static int countSegments(String best) {
-        return StringUtils.countMatches(best, File.separatorChar);
-    }
-
-    private static String relativizePath(String base, String other) {
-        String[] baseSegments = base.split("[/\\\\]");
-        String[] otherSegments = other.split("[/\\\\]");
-        int prefixLength = 0;
-        int maxi = Math.min(baseSegments.length, otherSegments.length);
-        while (prefixLength < maxi && baseSegments[prefixLength].equals(otherSegments[prefixLength])) {
-            prefixLength++;
-        }
-
-        if (prefixLength == 0) {
-            return other;
-        }
-
-        List<String> relative = new ArrayList<>();
-        for (int i = prefixLength; i < baseSegments.length; i++) {
-            relative.add("..");
-        }
-        relative.addAll(Arrays.asList(otherSegments).subList(prefixLength, otherSegments.length));
-        return String.join(File.separator, relative);
-    }
-
-    /** Return whether the path is the root path (/). */
-    private static boolean isFileSystemRoot(Path root) {
-        return root.isAbsolute() && root.getNameCount() == 0;
-    }
 }
diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/reporting/ConfigurableFileNameRenderer.java b/pmd-core/src/main/java/net/sourceforge/pmd/reporting/ConfigurableFileNameRenderer.java
index 87fb306440..b40b019b7b 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/reporting/ConfigurableFileNameRenderer.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/reporting/ConfigurableFileNameRenderer.java
@@ -4,13 +4,16 @@
 
 package net.sourceforge.pmd.reporting;
 
+import java.io.File;
 import java.nio.file.Path;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Comparator;
 import java.util.List;
 import java.util.Objects;
 
-import net.sourceforge.pmd.PmdAnalysis;
+import org.apache.commons.lang3.StringUtils;
+
 import net.sourceforge.pmd.lang.document.FileId;
 import net.sourceforge.pmd.lang.document.TextFile;
 
@@ -48,8 +51,63 @@ public class ConfigurableFileNameRenderer implements FileNameRenderer {
 
     private String getLocalDisplayName(FileId file) {
         if (!relativizeRootPaths.isEmpty()) {
-            return PmdAnalysis.getDisplayName(file, relativizeRootPaths);
+            return getDisplayName(file, relativizeRootPaths);
         }
         return file.getOriginalPath();
     }
+
+    private static int countSegments(String best) {
+        return StringUtils.countMatches(best, File.separatorChar);
+    }
+
+    static String relativizePath(String base, String other) {
+        String[] baseSegments = base.split("[/\\\\]");
+        String[] otherSegments = other.split("[/\\\\]");
+        int prefixLength = 0;
+        int maxi = Math.min(baseSegments.length, otherSegments.length);
+        while (prefixLength < maxi && baseSegments[prefixLength].equals(otherSegments[prefixLength])) {
+            prefixLength++;
+        }
+
+        if (prefixLength == 0) {
+            return other;
+        }
+
+        List<String> relative = new ArrayList<>();
+        for (int i = prefixLength; i < baseSegments.length; i++) {
+            relative.add("..");
+        }
+        relative.addAll(Arrays.asList(otherSegments).subList(prefixLength, otherSegments.length));
+        return String.join(File.separator, relative);
+    }
+
+    /** Return whether the path is the root path (/). */
+    private static boolean isFileSystemRoot(Path root) {
+        return root.isAbsolute() && root.getNameCount() == 0;
+    }
+
+    /**
+     * Return the textfile's display name. Takes the shortest path we
+     * can construct from the relativize roots.
+     *
+     * <p>package private for test only</p>
+     */
+    static String getDisplayName(FileId file, List<Path> relativizeRoots) {
+        String best = file.toAbsolutePath();
+        for (Path root : relativizeRoots) {
+            if (isFileSystemRoot(root)) {
+                // Absolutize the path. Since the relativize roots are
+                // sorted by ascending length, this should be the first in the list
+                // (so another root can override it).
+                best = file.toAbsolutePath();
+                continue;
+            }
+
+            String relative = relativizePath(root.toAbsolutePath().toString(), file.toAbsolutePath());
+            if (countSegments(relative) < countSegments(best)) {
+                best = relative;
+            }
+        }
+        return best;
+    }
 }
diff --git a/pmd-core/src/test/java/net/sourceforge/pmd/lang/document/FileCollectorTest.java b/pmd-core/src/test/java/net/sourceforge/pmd/lang/document/FileCollectorTest.java
index a6b47cb18e..234e4ecd60 100644
--- a/pmd-core/src/test/java/net/sourceforge/pmd/lang/document/FileCollectorTest.java
+++ b/pmd-core/src/test/java/net/sourceforge/pmd/lang/document/FileCollectorTest.java
@@ -12,13 +12,11 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.List;
 
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
 
-import net.sourceforge.pmd.PmdAnalysis;
 import net.sourceforge.pmd.lang.DummyLanguageModule;
 import net.sourceforge.pmd.lang.Language;
 import net.sourceforge.pmd.lang.LanguageRegistry;
@@ -93,11 +91,6 @@ class FileCollectorTest {
     }
 
 
-    @Test
-    void testRelativize() {
-        String displayName = PmdAnalysis.getDisplayName(FileId.forPath(Paths.get("a", "b", "c")), listOf(Paths.get("a")));
-        assertEquals(displayName, Paths.get("b", "c").toString());
-    }
 
     private Path newFile(Path root, String path) throws IOException {
         Path resolved = root.resolve(path);
diff --git a/pmd-core/src/test/java/net/sourceforge/pmd/reporting/ConfigurableFileNameRendererTest.java b/pmd-core/src/test/java/net/sourceforge/pmd/reporting/ConfigurableFileNameRendererTest.java
new file mode 100644
index 0000000000..a33c32d340
--- /dev/null
+++ b/pmd-core/src/test/java/net/sourceforge/pmd/reporting/ConfigurableFileNameRendererTest.java
@@ -0,0 +1,39 @@
+/*
+ * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
+ */
+
+package net.sourceforge.pmd.reporting;
+
+import static net.sourceforge.pmd.reporting.ConfigurableFileNameRenderer.getDisplayName;
+import static net.sourceforge.pmd.util.CollectionUtil.listOf;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.junit.jupiter.api.Test;
+
+import net.sourceforge.pmd.lang.document.FileId;
+
+/**
+ * @author Clément Fournier
+ */
+public class ConfigurableFileNameRendererTest {
+
+    @Test
+    void testRelativize() {
+        FileId file = FileId.forPath(Paths.get("a", "b", "c"));
+        String displayName = getDisplayName(file, listOf(Paths.get("a")));
+        assertEquals(displayName, Paths.get("b", "c").toString());
+    }
+
+    @Test
+    void testRelativizeWithRoot() {
+        Path path = Paths.get("a", "b", "c");
+        FileId file = FileId.forPath(path);
+        String displayName = getDisplayName(file, listOf(Paths.get("/")));
+        assertEquals(path.toAbsolutePath().toString(),
+                     displayName);
+    }
+
+}