False positive for unused imports #4815

detekt-rules-style/src/main/kotlin/io/gitlab/arturbosch/detekt/rules/style/UnusedImports.kt

@@ -113,15 +113,16 @@ class UnusedImports(config: Config) : Rule(config) {
         }
 
         override fun visitDeclaration(dcl: KtDeclaration) {
-            val kdoc = dcl.docComment?.getDefaultSection()
+            val kdoc = dcl.docComment?.getAllSections()
 
-            kdoc?.getChildrenOfType<KDocTag>()
-                ?.map { it.text }
-                ?.forEach { handleKDoc(it) }
+            kdoc?.forEach { kdocSection ->
+                kdocSection.getChildrenOfType<KDocTag>()
+                    .map { it.text }
+                    .forEach { handleKDoc(it) }
 
-            kdoc?.getContent()?.let {
-                handleKDoc(it)
+                handleKDoc(kdocSection.getContent())
             }
+
             super.visitDeclaration(dcl)
         }
 

detekt-rules-style/src/test/kotlin/io/gitlab/arturbosch/detekt/rules/style/UnusedImportsSpec.kt

@@ -609,4 +609,29 @@ class UnusedImportsSpec(val env: KotlinCoreEnvironment) {
         """
         assertThat(subject.lintWithContext(env, mainFile, additionalFile)).isEmpty()
     }
+
+    @Test
+    fun `does not report unused import for import used in kdoc - #4815`() {
+        val mainFile = """
+        import x.y.z.SomeClass
+
+        class MyView
+
+        /**
+         * Style for [MyView]
+         * Blablabla
+         * 
+         * @property someVal Someval for [SomeClass]
+         */
+         data class StyleClass(val someVal: String)
+        """
+
+        val additionalFile = """
+        package x.y.z
+
+        class SomeClass
+        """
+
+        assertThat(subject.lintWithContext(env, mainFile, additionalFile)).isEmpty()
+    }
 }