diff --git a/compiler/testData/codegen/box/casts/literalExpressionAsGenericArgument/binaryExpressionCast.kt b/compiler/testData/codegen/box/casts/literalExpressionAsGenericArgument/binaryExpressionCast.kt
index c235f2ffb0f..4a77005bb7d 100644
--- a/compiler/testData/codegen/box/casts/literalExpressionAsGenericArgument/binaryExpressionCast.kt
+++ b/compiler/testData/codegen/box/casts/literalExpressionAsGenericArgument/binaryExpressionCast.kt
@@ -1,7 +1,7 @@
 class Box<T>(val value: T)
 
 fun box() : String {
-    val b = Box<Long>(2l * 3)
+    val b = Box<Long>(2L * 3)
     val expected: Long? = 6L
     return if (b.value == expected) "OK" else "fail"
 }
diff --git a/compiler/testData/codegen/box/casts/literalExpressionAsGenericArgument/labeledExpressionCast.kt b/compiler/testData/codegen/box/casts/literalExpressionAsGenericArgument/labeledExpressionCast.kt
index 2ddefc8a5be..d2dde95515b 100644
--- a/compiler/testData/codegen/box/casts/literalExpressionAsGenericArgument/labeledExpressionCast.kt
+++ b/compiler/testData/codegen/box/casts/literalExpressionAsGenericArgument/labeledExpressionCast.kt
@@ -1,7 +1,7 @@
 class Box<T>(val value: T)
 
 fun box() : String {
-    val b = Box<Long>(x@ (1l + 2))
+    val b = Box<Long>(x@ (1L + 2))
     val expected: Long? = 3L
     return if (b.value == expected) "OK" else "fail"
 }
diff --git a/compiler/testData/diagnostics/tests/inference/commonSystem/iltInsideSeveralCalls.kt b/compiler/testData/diagnostics/tests/inference/commonSystem/iltInsideSeveralCalls.kt
index 6b2ac49ad75..ab9da02514e 100644
--- a/compiler/testData/diagnostics/tests/inference/commonSystem/iltInsideSeveralCalls.kt
+++ b/compiler/testData/diagnostics/tests/inference/commonSystem/iltInsideSeveralCalls.kt
@@ -5,9 +5,9 @@ fun <T> consumeLongAndMaterialize(x: Long): T = null as T
 fun consumeAny(x: Any) = x
 
 fun main() {
-    consumeAny(consumeLongAndMaterialize(3l * 1000))
+    consumeAny(consumeLongAndMaterialize(3L * 1000))
 
     if (true) {
-        consumeLongAndMaterialize(3l * 1000)
+        consumeLongAndMaterialize(3L * 1000)
     } else true
 }
diff --git a/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.kt b/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.kt
index 9ce0bac5f58..2b5c5a0c237 100644
--- a/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.kt
+++ b/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.kt
@@ -1,4 +1,4 @@
-fun testSimple() = Box<Long>(2l * 3)
+fun testSimple() = Box<Long>(2L * 3)
 
 inline fun <reified T> testArray(n: Int, crossinline block: () -> T): Array<T> {
     return Array<T>(n) { block() }