diff --git a/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/KoParentDeclarationForKoSourceDeclarationProviderTest.kt b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/KoParentDeclarationForKoSourceDeclarationProviderTest.kt
index f3f5806f39..18f380051f 100644
--- a/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/KoParentDeclarationForKoSourceDeclarationProviderTest.kt
+++ b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/KoParentDeclarationForKoSourceDeclarationProviderTest.kt
@@ -302,6 +302,20 @@ class KoParentDeclarationForKoSourceDeclarationProviderTest {
                     null,
                     null,
                 ),
+                arguments(
+                    "class-with-parent-interface-with-the-same-name",
+                    KoInterfaceDeclaration::class,
+                    KoClassDeclaration::class,
+                    null,
+                    "com.samplepackage.SampleInterface.SampleName",
+                ),
+                arguments(
+                    "class-with-parent-class-with-the-same-name",
+                    KoClassDeclaration::class,
+                    KoInterfaceDeclaration::class,
+                    null,
+                    "com.samplepackage.SampleInterface.SampleName",
+                ),
             )
 
         @Suppress("unused", "detekt.LongMethod")
@@ -364,6 +378,13 @@ class KoParentDeclarationForKoSourceDeclarationProviderTest {
                     null,
                     null,
                 ),
+                arguments(
+                    "interface-with-parent-interface-with-the-same-name",
+                    KoInterfaceDeclaration::class,
+                    KoClassDeclaration::class,
+                    null,
+                    "com.samplepackage.SampleInterface.SampleName",
+                ),
             )
 
         @Suppress("unused", "detekt.LongMethod")
@@ -510,6 +531,20 @@ class KoParentDeclarationForKoSourceDeclarationProviderTest {
                     null,
                     null,
                 ),
+                arguments(
+                    "object-with-parent-interface-with-the-same-name",
+                    KoInterfaceDeclaration::class,
+                    KoClassDeclaration::class,
+                    null,
+                    "com.samplepackage.SampleInterface.SampleName",
+                ),
+                arguments(
+                    "object-with-parent-class-with-the-same-name",
+                    KoClassDeclaration::class,
+                    KoInterfaceDeclaration::class,
+                    null,
+                    "com.samplepackage.SampleInterface.SampleName",
+                ),
             )
     }
 }
diff --git a/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/class-with-parent-class-with-the-same-name.kttest b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/class-with-parent-class-with-the-same-name.kttest
new file mode 100644
index 0000000000..1ceef7ce92
--- /dev/null
+++ b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/class-with-parent-class-with-the-same-name.kttest
@@ -0,0 +1,7 @@
+package com.samplepackage
+
+data class SampleName(val data: String) : SampleInterface.SampleName()
+
+interface SampleInterface {
+    open class SampleName
+}
diff --git a/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/class-with-parent-interface-with-the-same-name.kttest b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/class-with-parent-interface-with-the-same-name.kttest
new file mode 100644
index 0000000000..8e333c8b55
--- /dev/null
+++ b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/class-with-parent-interface-with-the-same-name.kttest
@@ -0,0 +1,7 @@
+package com.samplepackage
+
+data class SampleName(val data: String) : SampleInterface.SampleName
+
+interface SampleInterface {
+    interface SampleName
+}
diff --git a/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/interface-with-parent-interface-with-the-same-name.kttest b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/interface-with-parent-interface-with-the-same-name.kttest
new file mode 100644
index 0000000000..a40ce0d8d5
--- /dev/null
+++ b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/interface-with-parent-interface-with-the-same-name.kttest
@@ -0,0 +1,7 @@
+package com.samplepackage
+
+interface SampleName : SampleInterface.SampleName
+
+interface SampleInterface {
+    interface SampleName
+}
diff --git a/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/object-with-parent-class-with-the-same-name.kttest b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/object-with-parent-class-with-the-same-name.kttest
new file mode 100644
index 0000000000..2667935b6f
--- /dev/null
+++ b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/object-with-parent-class-with-the-same-name.kttest
@@ -0,0 +1,7 @@
+package com.samplepackage
+
+object SampleName : SampleInterface.SampleName()
+
+interface SampleInterface {
+    open class SampleName
+}
diff --git a/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/object-with-parent-interface-with-the-same-name.kttest b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/object-with-parent-interface-with-the-same-name.kttest
new file mode 100644
index 0000000000..65ee2139a6
--- /dev/null
+++ b/lib/src/integrationTest/kotlin/com/lemonappdev/konsist/core/declaration/koparent/snippet/forkosourcedeclarationprovider/object-with-parent-interface-with-the-same-name.kttest
@@ -0,0 +1,7 @@
+package com.samplepackage
+
+object SampleName : SampleInterface.SampleName
+
+interface SampleInterface {
+    interface SampleName
+}
diff --git a/lib/src/main/kotlin/com/lemonappdev/konsist/core/declaration/KoParentDeclarationCore.kt b/lib/src/main/kotlin/com/lemonappdev/konsist/core/declaration/KoParentDeclarationCore.kt
index 925ad60e96..2b271be478 100644
--- a/lib/src/main/kotlin/com/lemonappdev/konsist/core/declaration/KoParentDeclarationCore.kt
+++ b/lib/src/main/kotlin/com/lemonappdev/konsist/core/declaration/KoParentDeclarationCore.kt
@@ -105,14 +105,13 @@ internal class KoParentDeclarationCore(
                     if (import.alias != null) {
                         import.alias?.name == innerName
                     } else {
-                        import.name.substringAfterLast(".") == innerName
+                        import.name.substringAfterLast(".") == outerName
                     }
                 }
 
         val fullyQualifiedName =
-            import
-                ?.name
-                ?: (containingFile.packagee?.name + "." + name)
+            import?.name
+                ?: "${containingFile.packagee?.name?.let { "$it." } ?: ""}$name"
 
         val isAlias = import?.alias != null
 
diff --git a/lib/src/main/kotlin/com/lemonappdev/konsist/core/model/DataCore.kt b/lib/src/main/kotlin/com/lemonappdev/konsist/core/model/DataCore.kt
index b69a90df85..cc7adf2423 100644
--- a/lib/src/main/kotlin/com/lemonappdev/konsist/core/model/DataCore.kt
+++ b/lib/src/main/kotlin/com/lemonappdev/konsist/core/model/DataCore.kt
@@ -60,9 +60,6 @@ fun getClass(
         ?: containingFile
             .classes()
             .firstOrNull { decl -> decl.fullyQualifiedName == declarationQualifiedName }
-        ?: containingFile
-            .classes()
-            .firstOrNull { decl -> decl.name == name }
 }
 
 fun getInterface(
@@ -84,9 +81,6 @@ fun getInterface(
         ?: containingFile
             .interfaces()
             .firstOrNull { decl -> decl.fullyQualifiedName == declarationQualifiedName }
-        ?: containingFile
-            .interfaces()
-            .firstOrNull { decl -> decl.name == name }
 }
 
 fun getObject(
@@ -108,9 +102,6 @@ fun getObject(
         ?: containingFile
             .objects()
             .firstOrNull { decl -> decl.fullyQualifiedName == declarationQualifiedName }
-        ?: containingFile
-            .objects()
-            .firstOrNull { decl -> decl.name == name }
 }
 
 fun getTypeAlias(