diff --git a/libraries/kotlin.test/common/src/main/kotlin/kotlin/test/Assertions.kt b/libraries/kotlin.test/common/src/main/kotlin/kotlin/test/Assertions.kt
index dac22928c8c..352a8886a0d 100644
--- a/libraries/kotlin.test/common/src/main/kotlin/kotlin/test/Assertions.kt
+++ b/libraries/kotlin.test/common/src/main/kotlin/kotlin/test/Assertions.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -29,7 +29,9 @@ val asserter: Asserter
 internal var _asserter: Asserter? = null
 
 /** Asserts that the given [block] returns `true`. */
-fun assertTrue(message: String? = null, block: () -> Boolean) {
+@JvmName("assertTrueInline")
+@InlineOnly
+inline fun assertTrue(message: String? = null, block: () -> Boolean) {
     contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
     assertTrue(block(), message)
 }
@@ -41,7 +43,9 @@ fun assertTrue(actual: Boolean, message: String? = null) {
 }
 
 /** Asserts that the given [block] returns `false`. */
-fun assertFalse(message: String? = null, block: () -> Boolean) {
+@JvmName("assertFalseInline")
+@InlineOnly
+inline fun assertFalse(message: String? = null, block: () -> Boolean) {
     contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
     assertFalse(block(), message)
 }
@@ -80,12 +84,11 @@ fun <T : Any> assertNotNull(actual: T?, message: String? = null): T {
 }
 
 /** Asserts that the [actual] value is not `null`, with an optional [message] and a function [block] to process the not-null value. */
-fun <T : Any, R> assertNotNull(actual: T?, message: String? = null, block: (T) -> R) {
+@JvmName("assertNotNullInline")
+@InlineOnly
+inline fun <T : Any, R> assertNotNull(actual: T?, message: String? = null, block: (T) -> R) {
     contract { returns() implies (actual != null) }
-    asserter.assertNotNull(message, actual)
-    if (actual != null) {
-        block(actual)
-    }
+    block(assertNotNull(actual, message))
 }
 
 /** Asserts that the [actual] value is `null`, with an optional [message]. */
@@ -110,13 +113,17 @@ fun fail(message: String? = null, cause: Throwable? = null): Nothing {
 }
 
 /** Asserts that given function [block] returns the given [expected] value. */
-fun <@OnlyInputTypes T> expect(expected: T, block: () -> T) {
+@JvmName("expectInline")
+@InlineOnly
+inline fun <@OnlyInputTypes T> expect(expected: T, block: () -> T) {
     contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
     assertEquals(expected, block())
 }
 
 /** Asserts that given function [block] returns the given [expected] value and use the given [message] if it fails. */
-fun <@OnlyInputTypes T> expect(expected: T, message: String?, block: () -> T) {
+@JvmName("expectInline")
+@InlineOnly
+inline fun <@OnlyInputTypes T> expect(expected: T, message: String?, block: () -> T) {
     contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
     assertEquals(expected, block(), message)
 }
diff --git a/libraries/kotlin.test/jvm/src/main/kotlin/AssertionsImpl.kt b/libraries/kotlin.test/jvm/src/main/kotlin/AssertionsImpl.kt
index 8efe94454ab..741ddbf7744 100644
--- a/libraries/kotlin.test/jvm/src/main/kotlin/AssertionsImpl.kt
+++ b/libraries/kotlin.test/jvm/src/main/kotlin/AssertionsImpl.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
@@ -8,6 +8,8 @@
 
 package kotlin.test
 
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
 import kotlin.internal.*
 import kotlin.reflect.*
 
@@ -51,6 +53,43 @@ fun <T : Throwable> assertFailsWithNoInline(exceptionClass: KClass<T>, block: ()
 fun <T : Throwable> assertFailsWithNoInline(exceptionClass: KClass<T>, message: String?, block: () -> Unit): T =
     assertFailsWith(exceptionClass, message, block)
 
+@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
+@JvmName("assertTrue")
+fun assertTrueNoInline(message: String? = null, block: () -> Boolean) {
+    contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
+    assertTrue(block(), message)
+}
+
+@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
+@JvmName("assertFalse")
+fun assertFalseNoInline(message: String? = null, block: () -> Boolean) {
+    contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
+    assertFalse(block(), message)
+}
+
+@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
+@JvmName("assertNotNull")
+fun <T : Any, R> assertNotNullNoInline(actual: T?, message: String? = null, block: (T) -> R) {
+    contract { returns() implies (actual != null) }
+    asserter.assertNotNull(message, actual)
+    if (actual != null) {
+        block(actual)
+    }
+}
+
+@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
+@JvmName("expect")
+fun <T> expectNoInline(expected: T, block: () -> T) {
+    contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
+    assertEquals(expected, block())
+}
+
+@Deprecated("Provided for binary compatibility", level = DeprecationLevel.HIDDEN)
+@JvmName("expect")
+fun <T> expectNoInline(expected: T, message: String?, block: () -> T) {
+    contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
+    assertEquals(expected, block(), message)
+}
 
 /**
  * Takes the given [block] of test code and _doesn't_ execute it.