diff --git a/compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/commonCaseForInference.fir.kt b/compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/commonCaseForInference.fir.kt
index d2af39476f1..4c8cf2d1d2b 100644
--- a/compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/commonCaseForInference.fir.kt
+++ b/compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/commonCaseForInference.fir.kt
@@ -9,6 +9,6 @@ object CommonCase {
     operator fun <D, E, R> Fas<D, E, R>.provideDelegate(host: D, p: Any?): Fas<D, E, R> = TODO()
     operator fun <D, E, R> Fas<D, E, R>.getValue(receiver: E, p: Any?): R = TODO()
 
-    val Long.test1: String by delegate() // common test, not working because of Inference1
+    val Long.test1: String by <!TYPE_MISMATCH!>delegate()<!> // common test, not working because of Inference1
     val Long.test2: String by delegate<CommonCase, Long, String>() // should work
 }
diff --git a/compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/kt38714.fir.kt b/compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/kt38714.fir.kt
index 4aad782b7b8..f609c7e7986 100644
--- a/compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/kt38714.fir.kt
+++ b/compiler/testData/diagnostics/tests/delegatedProperty/provideDelegate/kt38714.fir.kt
@@ -19,4 +19,4 @@ class DIProperty<out V> : LazyDelegate<V> {
 
 interface LazyDelegate<out V> {
     operator fun provideDelegate(receiver: Any?, prop: KProperty<Any?>): Lazy<V>
-}
\ No newline at end of file
+}
diff --git a/compiler/testData/diagnostics/tests/delegation/DelegationExpectedType.fir.kt b/compiler/testData/diagnostics/tests/delegation/DelegationExpectedType.fir.kt
index 54e8098621f..7742e6f5f0e 100644
--- a/compiler/testData/diagnostics/tests/delegation/DelegationExpectedType.fir.kt
+++ b/compiler/testData/diagnostics/tests/delegation/DelegationExpectedType.fir.kt
@@ -21,6 +21,6 @@ class D : A<Int> by baz({ it + 1 })
 
 fun <T> boo(t: T): A<T> = AImpl()
 
-class E : A<Int> by boo("")
+class E : A<Int> by <!TYPE_MISMATCH, TYPE_MISMATCH!>boo("")<!>
 
-class F : A<Int> by AImpl<String>()
+class F : A<Int> by <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>AImpl<String>()<!>