diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/ir/util/IrUtils.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/ir/util/IrUtils.kt
index 72631e12ad4..445768a2772 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/ir/util/IrUtils.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/ir/util/IrUtils.kt
@@ -66,7 +66,7 @@ fun IrMemberAccessExpression.getArguments(): List<Pair<ParameterDescriptor, IrEx
  * Binds the arguments explicitly represented in the IR to the parameters of the accessed function.
  * The arguments are to be evaluated in the same order as they appear in the resulting list.
  */
-internal fun IrFunctionAccessExpression.getArgumentsWithSymbols(): List<Pair<IrValueParameterSymbol, IrExpression>> {
+fun IrFunctionAccessExpression.getArgumentsWithSymbols(): List<Pair<IrValueParameterSymbol, IrExpression>> {
     val res = mutableListOf<Pair<IrValueParameterSymbol, IrExpression>>()
     val irFunction = symbol.owner as IrFunction
 
@@ -91,7 +91,7 @@ internal fun IrFunctionAccessExpression.getArgumentsWithSymbols(): List<Pair<IrV
 /**
  * Sets arguments that are specified by given mapping of parameters.
  */
-internal fun IrMemberAccessExpression.addArguments(args: Map<ParameterDescriptor, IrExpression>) {
+fun IrMemberAccessExpression.addArguments(args: Map<ParameterDescriptor, IrExpression>) {
     descriptor.dispatchReceiverParameter?.let {
         val arg = args[it]
         if (arg != null) {
@@ -114,10 +114,10 @@ internal fun IrMemberAccessExpression.addArguments(args: Map<ParameterDescriptor
     }
 }
 
-internal fun IrMemberAccessExpression.addArguments(args: List<Pair<ParameterDescriptor, IrExpression>>) =
+fun IrMemberAccessExpression.addArguments(args: List<Pair<ParameterDescriptor, IrExpression>>) =
         this.addArguments(args.toMap())
 
-internal fun IrExpression.isNullConst() = this is IrConst<*> && this.kind == IrConstKind.Null
+fun IrExpression.isNullConst() = this is IrConst<*> && this.kind == IrConstKind.Null
 
 fun IrCall.usesDefaultArguments(): Boolean =
         this.descriptor.valueParameters.any { this.getValueArgument(it) == null }