diff --git a/compiler/testData/cli/jvm/firMultiplatformCompilationWithLightTreeWithoutErrors.args b/compiler/testData/cli/jvm/firMultiplatformCompilationWithPsiWithoutErrors.args
similarity index 86%
rename from compiler/testData/cli/jvm/firMultiplatformCompilationWithLightTreeWithoutErrors.args
rename to compiler/testData/cli/jvm/firMultiplatformCompilationWithPsiWithoutErrors.args
index b519c31e96f..f236d40ef02 100644
--- a/compiler/testData/cli/jvm/firMultiplatformCompilationWithLightTreeWithoutErrors.args
+++ b/compiler/testData/cli/jvm/firMultiplatformCompilationWithPsiWithoutErrors.args
@@ -2,10 +2,11 @@ $TESTDATA_DIR$/firMultiplatformCompilationWithoutErrors/common.kt
 $TESTDATA_DIR$/firMultiplatformCompilationWithoutErrors/jvm.kt
 -Xcommon-sources
 $TESTDATA_DIR$/firMultiplatformCompilationWithoutErrors/common.kt
--Xuse-k2
+-language-version
+2.0
+-Xuse-fir-lt=false
 -cp
 .
 -d
 $TEMP_DIR$
 -XXLanguage\:+MultiPlatformProjects
--Xuse-fir-lt
diff --git a/compiler/testData/cli/jvm/firMultiplatformCompilationWithLightTreeWithoutErrors.out b/compiler/testData/cli/jvm/firMultiplatformCompilationWithPsiWithoutErrors.out
similarity index 85%
rename from compiler/testData/cli/jvm/firMultiplatformCompilationWithLightTreeWithoutErrors.out
rename to compiler/testData/cli/jvm/firMultiplatformCompilationWithPsiWithoutErrors.out
index 004fadf74cd..165fe4ed0bd 100644
--- a/compiler/testData/cli/jvm/firMultiplatformCompilationWithLightTreeWithoutErrors.out
+++ b/compiler/testData/cli/jvm/firMultiplatformCompilationWithPsiWithoutErrors.out
@@ -8,6 +8,5 @@ This mode is not recommended for production use,
 as no stability/compatibility guarantees are given on
 compiler or generated code. Use it at your own risk!
 
-warning: compiler flag -Xuse-k2 is deprecated, please use "-language-version 2.0" instead
 warning: language version 2.0 is experimental, there are no backwards compatibility guarantees for new language and library features
 OK