diff --git a/plugin-gradle/src/test/java/com/diffplug/gradle/spotless/KotlinGradleExtensionTest.java b/plugin-gradle/src/test/java/com/diffplug/gradle/spotless/KotlinGradleExtensionTest.java
index 566454527e..1be9642028 100644
--- a/plugin-gradle/src/test/java/com/diffplug/gradle/spotless/KotlinGradleExtensionTest.java
+++ b/plugin-gradle/src/test/java/com/diffplug/gradle/spotless/KotlinGradleExtensionTest.java
@@ -90,8 +90,7 @@ void integration_default_diktat() throws IOException {
 				"}");
 		setFile("configuration.gradle.kts").toResource("kotlin/diktat/basic.dirty");
 		BuildResult result = gradleRunner().withArguments("spotlessApply").buildAndFail();
-		assertThat(result.getOutput()).contains("[HEADER_MISSING_IN_NON_SINGLE_CLASS_FILE] files that contain multiple "
-				+ "or no classes should contain description of what is inside of this file: there are 0 declared classes and/or objects");
+		assertThat(result.getOutput()).contains("[AVOID_NESTED_FUNCTIONS] try to avoid using nested functions");
 	}
 
 	@Test
diff --git a/plugin-maven/src/test/java/com/diffplug/spotless/maven/kotlin/DiktatTest.java b/plugin-maven/src/test/java/com/diffplug/spotless/maven/kotlin/DiktatTest.java
index a79cff3f8d..711a30e992 100644
--- a/plugin-maven/src/test/java/com/diffplug/spotless/maven/kotlin/DiktatTest.java
+++ b/plugin-maven/src/test/java/com/diffplug/spotless/maven/kotlin/DiktatTest.java
@@ -38,7 +38,10 @@ void testDiktat() throws Exception {
 	@Test
 	void testDiktatWithVersion() throws Exception {
 
-		writePomWithKotlinSteps("<diktat><version>0.4.0</version></diktat>");
+		writePomWithKotlinSteps(
+			"<diktat>",
+			"  <version>1.0.1</version>",
+			"</diktat>");
 
 		String path = "src/main/kotlin/Main.kt";
 		setFile(path).toResource("kotlin/diktat/main.dirty");
@@ -51,7 +54,11 @@ void testDiktatConfig() throws Exception {
 
 		String configPath = "src/main/kotlin/diktat-analysis.yml";
 		File conf = setFile(configPath).toResource("kotlin/diktat/diktat-analysis.yml");
-		writePomWithKotlinSteps("<diktat><version>0.4.0</version><configFile>" + conf.getAbsolutePath() + "</configFile></diktat>");
+		writePomWithKotlinSteps(
+			"<diktat>",
+			"  <version>1.0.1</version>",
+			"  <configFile>" + conf.getAbsolutePath() + "</configFile>",
+			"</diktat>");
 
 		String path = "src/main/kotlin/Main.kt";
 		setFile(path).toResource("kotlin/diktat/main.dirty");
diff --git a/testlib/src/main/resources/kotlin/diktat/diktat-analysis.yml b/testlib/src/main/resources/kotlin/diktat/diktat-analysis.yml
index 8c88553907..550de716ef 100644
--- a/testlib/src/main/resources/kotlin/diktat/diktat-analysis.yml
+++ b/testlib/src/main/resources/kotlin/diktat/diktat-analysis.yml
@@ -75,13 +75,6 @@
   enabled: 'true'
 - name: HEADER_WRONG_FORMAT
   enabled: true
-- name: HEADER_MISSING_IN_NON_SINGLE_CLASS_FILE
-  enabled: true
-- name: HEADER_MISSING_OR_WRONG_COPYRIGHT
-  enabled: true
-  configuration:
-    isCopyrightMandatory: false
-    copyrightText: 'Copyright (c) Your Company Name Here. 2010-2021'
 - name: HEADER_NOT_BEFORE_PACKAGE
   enabled: true
 - name: FILE_IS_TOO_LONG
@@ -182,7 +175,7 @@
 - name: WRONG_NEWLINES_AROUND_KDOC
   enabled: true
 # Inspection that checks if there is no blank lines before first comment
-- name: FIRST_COMMENT_NO_SPACES
+- name: FIRST_COMMENT_NO_BLANK_LINE
   enabled: true
 # Inspection that checks if there are blank lines between code and comment and between code start token and comment's text
 - name: COMMENT_WHITE_SPACE