diff --git a/libraries/kotlin.test/shared/src/main/kotlin.jvm/kotlin/test/TestAssertionsJVM.kt b/libraries/kotlin.test/shared/src/main/kotlin.jvm/kotlin/test/TestAssertionsJVM.kt
index 6502211ef28..d0b0d0f542e 100644
--- a/libraries/kotlin.test/shared/src/main/kotlin.jvm/kotlin/test/TestAssertionsJVM.kt
+++ b/libraries/kotlin.test/shared/src/main/kotlin.jvm/kotlin/test/TestAssertionsJVM.kt
@@ -4,9 +4,6 @@ package kotlin.test
 
 import kotlin.reflect.*
 
-@Deprecated("Use assertFailsWith instead.", ReplaceWith("assertFailsWith(exceptionClass, block)"), kotlin.DeprecationLevel.ERROR)
-fun <T : Throwable> failsWith(exceptionClass: Class<T>, block: () -> Any): T = assertFailsWith(exceptionClass) { block() }
-
 /** Asserts that a [block] fails with a specific exception being thrown. */
 fun <T : Throwable> assertFailsWith(exceptionClass: Class<T>, block: () -> Unit): T {
     return assertFailsWith(exceptionClass, null, block)
diff --git a/libraries/kotlin.test/shared/src/main/kotlin/kotlin/test/TestAssertions.kt b/libraries/kotlin.test/shared/src/main/kotlin/kotlin/test/TestAssertions.kt
index 4d7699b6727..079eccaf2e3 100644
--- a/libraries/kotlin.test/shared/src/main/kotlin/kotlin/test/TestAssertions.kt
+++ b/libraries/kotlin.test/shared/src/main/kotlin/kotlin/test/TestAssertions.kt
@@ -8,15 +8,6 @@ package kotlin.test
 
 import kotlin.internal.*
 
-
-/** Asserts that the given [block] returns `false`. */
-@Deprecated("Use assertFalse instead.", ReplaceWith("assertFalse(message, block)"), kotlin.DeprecationLevel.ERROR)
-fun assertNot(message: String, block: () -> Boolean): Unit = assertFalse(message, block)
-
-/** Asserts that the given [block] returns `false`. */
-@Deprecated("Use assertFalse instead.", ReplaceWith("assertFalse(null, block)"), kotlin.DeprecationLevel.ERROR)
-fun assertNot(block: () -> Boolean): Unit = assertFalse(block = block)
-
 /** Asserts that the given [block] returns `true`. */
 fun assertTrue(message: String? = null, block: () -> Boolean): Unit = assertTrue(block(), message)
 
@@ -77,9 +68,6 @@ fun <@OnlyInputTypes T> expect(expected: T, message: String?, block: () -> T) {
     assertEquals(expected, block(), message)
 }
 
-@Deprecated("Use assertFails instead.", ReplaceWith("assertFails(block)"), kotlin.DeprecationLevel.ERROR)
-fun fails(block: () -> Unit): Throwable? = assertFails(block)
-
 /** Asserts that given function [block] fails by throwing an exception. */
 fun assertFails(block: () -> Unit): Throwable {
     try {