diff --git a/js/js.translator/testData/box/expression/cast/explicitUpcast.kt b/js/js.translator/testData/box/expression/cast/explicitUpcast.kt
index 07ab2478ece..2a0aa619761 100644
--- a/js/js.translator/testData/box/expression/cast/explicitUpcast.kt
+++ b/js/js.translator/testData/box/expression/cast/explicitUpcast.kt
@@ -1,4 +1,5 @@
-// MINIFICATION_THRESHOLD: 515
+// SKIP_MINIFICATION
+// This test assumes that external JS code calls Kotlin code directly
 package foo
 
 open class A
diff --git a/js/js.translator/testData/box/expression/function/mangling.kt b/js/js.translator/testData/box/expression/function/mangling.kt
index 49992d5a6da..b112241d5f2 100644
--- a/js/js.translator/testData/box/expression/function/mangling.kt
+++ b/js/js.translator/testData/box/expression/function/mangling.kt
@@ -1,4 +1,5 @@
-// MINIFICATION_THRESHOLD: 1519
+// SKIP_MINIFICATION
+// This test uses eval to access root package, therefore DCE can't infer usage of corresponding functions
 package foo
 
 private var log = ""
diff --git a/js/js.translator/testData/box/expression/function/manglingClashFunctionsAndClasses.kt b/js/js.translator/testData/box/expression/function/manglingClashFunctionsAndClasses.kt
index f3164deaff6..ad5692f2c10 100644
--- a/js/js.translator/testData/box/expression/function/manglingClashFunctionsAndClasses.kt
+++ b/js/js.translator/testData/box/expression/function/manglingClashFunctionsAndClasses.kt
@@ -1,4 +1,5 @@
-// MINIFICATION_THRESHOLD: 513
+// SKIP_MINIFICATION
+// This test uses eval, so DCE becomes impossible
 // MODULE: lib
 // FILE: lib.kt
 package foo
diff --git a/js/js.translator/testData/box/initialize/propertyInitializationOrder.kt b/js/js.translator/testData/box/initialize/propertyInitializationOrder.kt
index c057ce7e854..2cdce2ecd94 100644
--- a/js/js.translator/testData/box/initialize/propertyInitializationOrder.kt
+++ b/js/js.translator/testData/box/initialize/propertyInitializationOrder.kt
@@ -1,4 +1,5 @@
-// MINIFICATION_THRESHOLD: 1433
+// SKIP_MINIFICATION
+// This test uses eval
 open class A {
     val a: Int
     open val b: Int
diff --git a/js/js.translator/testData/box/native/eval.kt b/js/js.translator/testData/box/native/eval.kt
index 08fe8e17fba..1c3a2c96491 100644
--- a/js/js.translator/testData/box/native/eval.kt
+++ b/js/js.translator/testData/box/native/eval.kt
@@ -1,4 +1,4 @@
-// MINIFICATION_THRESHOLD: 509
+// SKIP_MINIFICATION
 package foo
 
 val top = "TOP LEVEL"
diff --git a/js/js.translator/testData/box/native/inheritanceInNativeClass.kt b/js/js.translator/testData/box/native/inheritanceInNativeClass.kt
index b2f9888fb29..b14df5e0fe6 100644
--- a/js/js.translator/testData/box/native/inheritanceInNativeClass.kt
+++ b/js/js.translator/testData/box/native/inheritanceInNativeClass.kt
@@ -1,4 +1,5 @@
-// MINIFICATION_THRESHOLD: 504
+// SKIP_MINIFICATION
+// Contains calls from external JS code
 package foo
 
 open class A {
diff --git a/js/js.translator/testData/box/native/print.kt b/js/js.translator/testData/box/native/print.kt
index 38288f3013c..a107277e616 100644
--- a/js/js.translator/testData/box/native/print.kt
+++ b/js/js.translator/testData/box/native/print.kt
@@ -1,4 +1,5 @@
-// MINIFICATION_THRESHOLD: 523
+// SKIP_MINIFICATION
+// This test uses eval
 // SKIP_NODE_JS
 package foo