diff --git a/compiler/testData/diagnostics/tests/inference/builderInference/stubTypes/memberScope.fir.kt b/compiler/testData/diagnostics/tests/inference/builderInference/stubTypes/memberScope.fir.kt
index 6b841d1f52e..18569cf1a7b 100644
--- a/compiler/testData/diagnostics/tests/inference/builderInference/stubTypes/memberScope.fir.kt
+++ b/compiler/testData/diagnostics/tests/inference/builderInference/stubTypes/memberScope.fir.kt
@@ -1,6 +1,7 @@
 // !LANGUAGE: +UnrestrictedBuilderInference
 // !DIAGNOSTICS: -DEPRECATION -OPT_IN_IS_NOT_ENABLED
 // WITH_STDLIB
+// MUTE_LL_FIR: KT-64741
 
 // FILE: main.kt
 import kotlin.experimental.ExperimentalTypeInference
diff --git a/compiler/testData/diagnostics/tests/inference/builderInference/stubTypes/memberScope.kt b/compiler/testData/diagnostics/tests/inference/builderInference/stubTypes/memberScope.kt
index c13790a7560..e61f1bafc37 100644
--- a/compiler/testData/diagnostics/tests/inference/builderInference/stubTypes/memberScope.kt
+++ b/compiler/testData/diagnostics/tests/inference/builderInference/stubTypes/memberScope.kt
@@ -1,6 +1,7 @@
 // !LANGUAGE: +UnrestrictedBuilderInference
 // !DIAGNOSTICS: -DEPRECATION -OPT_IN_IS_NOT_ENABLED
 // WITH_STDLIB
+// MUTE_LL_FIR: KT-64741
 
 // FILE: main.kt
 import kotlin.experimental.ExperimentalTypeInference