diff --git a/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/symbolLightUtils.kt b/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/symbolLightUtils.kt
index e79fefb4734..40f1f73d444 100644
--- a/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/symbolLightUtils.kt
+++ b/analysis/symbol-light-classes/src/org/jetbrains/kotlin/light/classes/symbol/symbolLightUtils.kt
@@ -14,7 +14,6 @@ import com.intellij.util.IncorrectOperationException
 import org.jetbrains.kotlin.analysis.api.KtAnalysisSession
 import org.jetbrains.kotlin.analysis.api.annotations.*
 import org.jetbrains.kotlin.analysis.api.base.KtConstantValue
-import org.jetbrains.kotlin.analysis.api.components.DefaultTypeClassIds
 import org.jetbrains.kotlin.analysis.api.symbols.*
 import org.jetbrains.kotlin.analysis.api.symbols.markers.KtSymbolWithModality
 import org.jetbrains.kotlin.analysis.api.symbols.markers.KtSymbolWithTypeParameters
@@ -35,7 +34,6 @@ import org.jetbrains.kotlin.light.classes.symbol.classes.SymbolLightClassForClas
 import org.jetbrains.kotlin.light.classes.symbol.classes.SymbolLightClassForInterface
 import org.jetbrains.kotlin.light.classes.symbol.classes.SymbolLightClassForInterfaceDefaultImpls
 import org.jetbrains.kotlin.light.classes.symbol.classes.modificationTrackerForClassInnerStuff
-import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.SpecialNames
 import org.jetbrains.kotlin.psi.KtTypeParameterListOwner
 import org.jetbrains.kotlin.utils.exceptions.errorWithAttachment
@@ -63,7 +61,6 @@ internal fun KtAnalysisSession.mapType(
     }
 }
 
-
 internal enum class NullabilityType {
     Nullable,
     NotNull,
@@ -173,13 +170,6 @@ internal fun KtAnalysisSession.getTypeNullability(type: KtType): NullabilityType
     return ktType.nullabilityType
 }
 
-internal val KtType.isUnit get() = isClassTypeWithClassId(DefaultTypeClassIds.UNIT)
-
-internal fun KtType.isClassTypeWithClassId(classId: ClassId): Boolean {
-    if (this !is KtNonErrorClassType) return false
-    return this.classId == classId
-}
-
 private fun escapeString(s: String): String = buildString {
     s.forEach {
         when (it) {