diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 14cbd8f83..26a1f30df 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -10,14 +10,9 @@ jobs:
   tests:
     strategy:
       matrix:
-        java-version: [11, 12, 13, 14, 15, 16, 17]
+        java-version: [11, 12, 13, 14, 15]
         kotlin-version: [1.4.32, 1.5.31, 1.6.0]
         kotlin-ir-enabled: [true, false]
-        exclude:
-          - kotlin-version: 1.4.32
-            java-version: 16
-          - kotlin-version: 1.4.32
-            java-version: 17
       # in case one JDK fails, we still want to see results from others
       fail-fast: false
     runs-on: ubuntu-latest
diff --git a/mockk/jvm/src/main/kotlin/io/mockk/impl/InternalPlatform.kt b/mockk/jvm/src/main/kotlin/io/mockk/impl/InternalPlatform.kt
index a0496bd06..13b72b310 100644
--- a/mockk/jvm/src/main/kotlin/io/mockk/impl/InternalPlatform.kt
+++ b/mockk/jvm/src/main/kotlin/io/mockk/impl/InternalPlatform.kt
@@ -103,10 +103,6 @@ actual object InternalPlatform {
     actual fun <T : Any> copyFields(to: T, from: T) {
         fun copy(to: Any, from: Any, cls: Class<*>) {
             for (field in cls.declaredFields) {
-                if (Modifier.isTransient(field.modifiers)) {
-                    continue
-                }
-
                 if (Modifier.isStatic(field.modifiers)) {
                     continue
                 }