diff --git a/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/rule/bestpractices/UnusedImportsRule.java b/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/rule/bestpractices/UnusedImportsRule.java
index 402b4d14f9..7f7c2063bc 100644
--- a/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/rule/bestpractices/UnusedImportsRule.java
+++ b/pmd-java/src/main/java/net/sourceforge/pmd/lang/java/rule/bestpractices/UnusedImportsRule.java
@@ -44,7 +44,7 @@ public class UnusedImportsRule extends AbstractJavaRule {
             .compile("@see\\s+(\\p{Alpha}?+\\w*)(?:#\\w*(?:\\(([\\w\\s,]*)\\))?)?");
 
     private static final Pattern LINK_PATTERNS = Pattern
-            .compile("\\{@link(?:plain)?\\s+(\\p{Alpha}\\w*)(?:#\\w*(?:\\(([.\\w\\s,]*)\\))?)?[\\s\\}]");
+            .compile("\\{@link(?:plain)?\\s+(\\p{Alpha}\\w*)(?:#\\w*(?:\\(([.\\w\\s,\\[\\]]*)\\))?)?[\\s\\}]");
 
     private static final Pattern VALUE_PATTERN = Pattern.compile("\\{@value\\s+(\\p{Alpha}\\w*)[\\s#\\}]");
 
diff --git a/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/bestpractices/xml/UnusedImports.xml b/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/bestpractices/xml/UnusedImports.xml
index e01caa625e..54af53d0b7 100644
--- a/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/bestpractices/xml/UnusedImports.xml
+++ b/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/bestpractices/xml/UnusedImports.xml
@@ -241,6 +241,22 @@ public class Foo {
         ]]></code>
     </test-code>
 
+    <test-code>
+        <description>#1720 False Positive in UnusedImports for Javadoc link with array type</description>
+        <expected-problems>0</expected-problems>
+        <code><![CDATA[
+import some.pack.SomeUtility;
+
+public class Foo {
+    /**
+     * The {@link SomeUtility#someHelperMethod(String, SomeObjectArray[])} method does something.
+     */
+    public void someMethod() {
+    }
+}
+        ]]></code>
+    </test-code>
+
     <test-code>
          <description><![CDATA[
 Bug 2606609 : False "UnusedImports" positive in package-info.java