diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/Ir.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/Ir.kt
index a90e21449ac..6d8d0c578c8 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/Ir.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/Ir.kt
@@ -254,13 +254,13 @@ internal class KonanSymbols(
 
     val throwIndexOutOfBoundsException = internalFunction("ThrowIndexOutOfBoundsException")
 
-    override val ThrowNullPointerException = internalFunction("ThrowNullPointerException")
+    override val throwNullPointerException = internalFunction("ThrowNullPointerException")
 
-    override val ThrowNoWhenBranchMatchedException = internalFunction("ThrowNoWhenBranchMatchedException")
+    override val throwNoWhenBranchMatchedException = internalFunction("ThrowNoWhenBranchMatchedException")
 
-    override val ThrowTypeCastException = internalFunction("ThrowTypeCastException")
+    override val throwTypeCastException = internalFunction("ThrowTypeCastException")
 
-    override val ThrowKotlinNothingValueException  = internalFunction("ThrowKotlinNothingValueException")
+    override val throwKotlinNothingValueException  = internalFunction("ThrowKotlinNothingValueException")
 
     val throwClassCastException = internalFunction("ThrowClassCastException")
 
@@ -271,7 +271,7 @@ internal class KonanSymbols(
     val throwIllegalArgumentExceptionWithMessage = internalFunction("ThrowIllegalArgumentExceptionWithMessage")
 
 
-    override val ThrowUninitializedPropertyAccessException = internalFunction("ThrowUninitializedPropertyAccessException")
+    override val throwUninitializedPropertyAccessException = internalFunction("ThrowUninitializedPropertyAccessException")
 
     override val stringBuilder = symbolTable.referenceClass(
             builtInsPackage("kotlin", "text").getContributedClassifier(
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumByValueFunctionGenerator.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumByValueFunctionGenerator.kt
index 2559807dde6..c7adb9171e9 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumByValueFunctionGenerator.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/ir/interop/cenum/CEnumByValueFunctionGenerator.kt
@@ -86,7 +86,7 @@ internal class CEnumByValueFunctionGenerator(
                         )
                     }
                 }
-                +irCall(symbols.ThrowNullPointerException, irBuiltIns.nothingType)
+                +irCall(symbols.throwNullPointerException, irBuiltIns.nothingType)
             })
         }
         return byValueIrFunction
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IrToBitcode.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IrToBitcode.kt
index ce6c04d9708..21954ae2927 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IrToBitcode.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IrToBitcode.kt
@@ -1405,7 +1405,7 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
             ifThen(not(genInstanceOf(srcArg, dstClass))) {
                 if (dstClass.defaultType.isObjCObjectType()) {
                     callDirect(
-                            context.ir.symbols.ThrowTypeCastException.owner,
+                            context.ir.symbols.throwTypeCastException.owner,
                             emptyList(),
                             Lifetime.GLOBAL
                     )
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/Autoboxing.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/Autoboxing.kt
index 46b17eab550..cd464b258a4 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/Autoboxing.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/Autoboxing.kt
@@ -273,7 +273,7 @@ private class InlineClassTransformer(private val context: Context) : IrBuildingT
             IrBlockImpl(startOffset, endOffset, irBuiltIns.unitType).apply {
                 statements.addIfNotNull(expression.receiver)
                 statements += expression.value
-                statements += IrCallImpl(startOffset, endOffset, irBuiltIns.nothingType, symbols.ThrowNullPointerException)
+                statements += IrCallImpl(startOffset, endOffset, irBuiltIns.nothingType, symbols.throwNullPointerException)
                 statements += IrGetObjectValueImpl(startOffset, endOffset, irBuiltIns.unitType, irBuiltIns.unitClass)
             }
         } else {
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/BuiltinOperatorLowering.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/BuiltinOperatorLowering.kt
index 3f355d23f52..fc9ba09e850 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/BuiltinOperatorLowering.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/BuiltinOperatorLowering.kt
@@ -57,8 +57,8 @@ internal class BuiltinOperatorLowering(val context: Context) : FileLoweringPass,
             irBuiltins.checkNotNullSymbol -> lowerCheckNotNull(expression)
 
             irBuiltins.noWhenBranchMatchedExceptionSymbol -> IrCallImpl(expression.startOffset, expression.endOffset,
-                    context.ir.symbols.ThrowNoWhenBranchMatchedException.owner.returnType,
-                    context.ir.symbols.ThrowNoWhenBranchMatchedException)
+                    context.ir.symbols.throwNoWhenBranchMatchedException.owner.returnType,
+                    context.ir.symbols.throwNoWhenBranchMatchedException)
 
             else -> expression
         }
@@ -181,7 +181,7 @@ internal class BuiltinOperatorLowering(val context: Context) : FileLoweringPass,
 
     private fun lowerCheckNotNull(expression: IrCall) = builder.at(expression).irBlock(resultType = expression.type) {
         val temp = irTemporary(expression.getValueArgument(0)!!)
-        +irIfThen(context.irBuiltIns.unitType, irEqeqNull(irGet(temp)), irCall(symbols.ThrowNullPointerException))
+        +irIfThen(context.irBuiltIns.unitType, irEqeqNull(irGet(temp)), irCall(symbols.throwNullPointerException))
         +irGet(temp)
     }
 
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt
index fc1c6f13f8d..44eb06f7a94 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt
@@ -698,7 +698,7 @@ private class InteropLoweringPart1(val context: Context) : BaseInteropIrTransfor
                     +irIfThen(
                             context.irBuiltIns.unitType,
                             irEqeqeq(irGet(temp), irNull()),
-                            irCall(symbols.ThrowNullPointerException)
+                            irCall(symbols.throwNullPointerException)
                     )
                     +irGet(temp)
                 }
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/PostInlineLowering.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/PostInlineLowering.kt
index 93e3563d79b..6b20dbea54d 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/PostInlineLowering.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/PostInlineLowering.kt
@@ -47,7 +47,7 @@ internal class PostInlineLowering(val context: Context) : FileLoweringPass {
                     builder.irKClass(context, symbol)
                 } else {
                     // E.g. for `T::class` in a body of an inline function itself.
-                    builder.irCall(context.ir.symbols.ThrowNullPointerException.owner)
+                    builder.irCall(context.ir.symbols.throwNullPointerException.owner)
                 }
             }
 
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TypeOperatorLowering.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TypeOperatorLowering.kt
index d9d779c8864..9158df1b601 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TypeOperatorLowering.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TypeOperatorLowering.kt
@@ -47,7 +47,7 @@ private class TypeOperatorTransformer(val context: CommonBackendContext, val fun
 
     private val builder = context.createIrBuilder(function)
 
-    val throwNullPointerException = context.ir.symbols.ThrowNullPointerException
+    val throwNullPointerException = context.ir.symbols.throwNullPointerException
 
     override fun visitFunction(declaration: IrFunction): IrStatement {
         // ignore inner functions during this pass