diff --git a/parent-kotlin/.classpath b/parent-kotlin/.classpath
deleted file mode 100644
index 61f3bb94aa..0000000000
--- a/parent-kotlin/.classpath
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" output="target/classes" path="src/main/java">
-		<attributes>
-			<attribute name="optional" value="true"/>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
-		<attributes>
-			<attribute name="optional" value="true"/>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
-		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
-		</attributes>
-	</classpathentry>
-	<classpathentry kind="output" path="target/classes"/>
-</classpath>
diff --git a/parent-kotlin/.project b/parent-kotlin/.project
deleted file mode 100644
index c263e961e6..0000000000
--- a/parent-kotlin/.project
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>parent-kotlin</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.m2e.core.maven2Builder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.springframework.ide.eclipse.boot.validation.springbootbuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-		<nature>org.eclipse.m2e.core.maven2Nature</nature>
-	</natures>
-</projectDescription>
diff --git a/parent-kotlin/.settings/org.eclipse.core.resources.prefs b/parent-kotlin/.settings/org.eclipse.core.resources.prefs
deleted file mode 100644
index 4824b80263..0000000000
--- a/parent-kotlin/.settings/org.eclipse.core.resources.prefs
+++ /dev/null
@@ -1,2 +0,0 @@
-eclipse.preferences.version=1
-encoding/<project>=UTF-8
diff --git a/parent-kotlin/.settings/org.eclipse.jdt.core.prefs b/parent-kotlin/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index d59e09c909..0000000000
--- a/parent-kotlin/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,5 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.compliance=1.8
-org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
-org.eclipse.jdt.core.compiler.source=1.8
diff --git a/parent-kotlin/.settings/org.eclipse.m2e.core.prefs b/parent-kotlin/.settings/org.eclipse.m2e.core.prefs
deleted file mode 100644
index 14b697b7bb..0000000000
--- a/parent-kotlin/.settings/org.eclipse.m2e.core.prefs
+++ /dev/null
@@ -1,4 +0,0 @@
-activeProfiles=
-eclipse.preferences.version=1
-resolveWorkspaceProjects=true
-version=1
diff --git a/parent-kotlin/.settings/org.springframework.ide.eclipse.prefs b/parent-kotlin/.settings/org.springframework.ide.eclipse.prefs
deleted file mode 100644
index e587c651c5..0000000000
--- a/parent-kotlin/.settings/org.springframework.ide.eclipse.prefs
+++ /dev/null
@@ -1,2 +0,0 @@
-boot.validation.initialized=true
-eclipse.preferences.version=1