diff --git a/org.jacoco.core.test.validation.kotlin/pom.xml b/org.jacoco.core.test.validation.kotlin/pom.xml
index 0f3cae74a1..013a6ac504 100644
--- a/org.jacoco.core.test.validation.kotlin/pom.xml
+++ b/org.jacoco.core.test.validation.kotlin/pom.xml
@@ -25,11 +25,7 @@
   <name>JaCoCo :: Test :: Core :: Validation Kotlin</name>
 
   <properties>
-    <!--
-    re-include this module in profiles for JDK 16 and 17 in org.jacoco.core.test.validation
-    once there is version with resolved https://youtrack.jetbrains.com/issue/KT-43704
-    -->
-    <kotlin.version>1.4.20</kotlin.version>
+    <kotlin.version>1.5.0</kotlin.version>
   </properties>
 
   <dependencies>
diff --git a/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/KotlinDefaultMethodsTest.java b/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/KotlinDefaultMethodsTest.java
index d7e53732c0..1cba4a2c0a 100644
--- a/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/KotlinDefaultMethodsTest.java
+++ b/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/KotlinDefaultMethodsTest.java
@@ -24,4 +24,10 @@ public KotlinDefaultMethodsTest() {
 		super(KotlinDefaultMethodsTarget.class);
 	}
 
+	@Override
+	public void all_missed_instructions_should_have_line_number() {
+		// instructions without line numbers
+		// corresponding to non-executed default implementations
+	}
+
 }
diff --git a/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinControlStructuresTarget.kt b/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinControlStructuresTarget.kt
index 16e1f98e49..cc8825df3c 100644
--- a/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinControlStructuresTarget.kt
+++ b/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinControlStructuresTarget.kt
@@ -47,7 +47,7 @@ object KotlinControlStructuresTarget {
 
     private fun missedWhileBlock() {
 
-        while (f()) { // assertPartlyCovered(1, 1)
+        while (f()) { // assertFullyCovered(1, 1)
             nop() // assertNotCovered()
         }
 
diff --git a/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinDataClassTarget.kt b/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinDataClassTarget.kt
index 13c55090bb..67abe0f9aa 100644
--- a/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinDataClassTarget.kt
+++ b/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinDataClassTarget.kt
@@ -20,9 +20,9 @@ import org.jacoco.core.test.validation.targets.Stubs.nop
 object KotlinDataClassTarget {
 
     data class DataClass( // assertFullyCovered()
-            val valNoRead: Int, // assertNotCovered()
+            val valNoRead: Int, // assertPartlyCovered()
             val valRead: Int,  // assertFullyCovered()
-            var varNoReadNoWrite: Int, // assertNotCovered()
+            var varNoReadNoWrite: Int, // assertPartlyCovered()
             var varNoWrite: Int, // assertPartlyCovered()
             var varNoRead: Int, // assertPartlyCovered()
             var varReadWrite: Int  // assertFullyCovered()
diff --git a/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinWhenExpressionTarget.kt b/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinWhenExpressionTarget.kt
index 13f7e20d1e..09572d257c 100644
--- a/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinWhenExpressionTarget.kt
+++ b/org.jacoco.core.test.validation.kotlin/src/org/jacoco/core/test/validation/kotlin/targets/KotlinWhenExpressionTarget.kt
@@ -30,8 +30,8 @@ object KotlinWhenExpressionTarget {
     @Suppress("REDUNDANT_ELSE_IN_WHEN")
     private fun whenSealedRedundantElse(p: Sealed): Int = when (p) { // assertFullyCovered()
         is Sealed.Sealed1 -> 1 // assertFullyCovered(0, 2)
-        is Sealed.Sealed2 -> 2 // assertFullyCovered(1, 1)
-        else -> throw NoWhenBranchMatchedException() // assertNotCovered()
+        is Sealed.Sealed2 -> 2 // assertFullyCovered(0, 0)
+        else -> throw NoWhenBranchMatchedException() // assertEmpty()
     } // assertFullyCovered()
 
     private enum class Enum {
@@ -44,10 +44,10 @@ object KotlinWhenExpressionTarget {
     } // assertFullyCovered()
 
     @Suppress("REDUNDANT_ELSE_IN_WHEN")
-    private fun whenEnumRedundantElse(p: Enum): Int = when (p) { // assertFullyCovered(1, 2)
+    private fun whenEnumRedundantElse(p: Enum): Int = when (p) { // assertFullyCovered(0, 2)
         Enum.A -> 1 // assertFullyCovered()
         Enum.B -> 2 // assertFullyCovered()
-        else -> throw NoWhenBranchMatchedException() // assertNotCovered()
+        else -> throw NoWhenBranchMatchedException() // assertEmpty()
     } // assertFullyCovered()
 
     private fun whenString(p: String): Int = when (p) { // assertFullyCovered(0, 7)
diff --git a/org.jacoco.core.test.validation/pom.xml b/org.jacoco.core.test.validation/pom.xml
index f8f081f3ca..5dd04ffe5f 100644
--- a/org.jacoco.core.test.validation/pom.xml
+++ b/org.jacoco.core.test.validation/pom.xml
@@ -251,12 +251,7 @@
         <maven.compiler.target>16</maven.compiler.target>
       </properties>
       <modules>
-        <!--
-        kotlin-maven-plugin versions 1.4.20 and 1.4.21 fail
-        due to https://openjdk.java.net/jeps/396
-        see https://youtrack.jetbrains.com/issue/KT-43704
         <module>../org.jacoco.core.test.validation.kotlin</module>
-        -->
         <module>../org.jacoco.core.test.validation.java7</module>
         <module>../org.jacoco.core.test.validation.java8</module>
         <module>../org.jacoco.core.test.validation.java14</module>
@@ -279,12 +274,7 @@
         <maven.compiler.target>17</maven.compiler.target>
       </properties>
       <modules>
-        <!--
-        kotlin-maven-plugin versions 1.4.20 and 1.4.21 fail
-        due to https://openjdk.java.net/jeps/396
-        see https://youtrack.jetbrains.com/issue/KT-43704
         <module>../org.jacoco.core.test.validation.kotlin</module>
-        -->
         <module>../org.jacoco.core.test.validation.java7</module>
         <module>../org.jacoco.core.test.validation.java8</module>
         <module>../org.jacoco.core.test.validation.java14</module>