diff --git a/pkg/analyzer/lib/error/error.dart b/pkg/analyzer/lib/error/error.dart
index 21f1dca..0787c5d 100644
--- a/pkg/analyzer/lib/error/error.dart
+++ b/pkg/analyzer/lib/error/error.dart
@@ -82,8 +82,6 @@
   CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_NON_CONST_SUPER,
   CompileTimeErrorCode.CONST_CONSTRUCTOR_WITH_NON_FINAL_FIELD,
   CompileTimeErrorCode.CONST_DEFERRED_CLASS,
-  CompileTimeErrorCode.CONST_EVAL_THROWS_ASSERT_FALSE,
-  CompileTimeErrorCode.CONST_EVAL_THROWS_ASSERT_NOT_BOOL,
   CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION,
   CompileTimeErrorCode.CONST_EVAL_THROWS_IDBZE,
   CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL,
diff --git a/pkg/analyzer/lib/src/dart/analysis/driver.dart b/pkg/analyzer/lib/src/dart/analysis/driver.dart
index 27e5d29..be8792e 100644
--- a/pkg/analyzer/lib/src/dart/analysis/driver.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/driver.dart
@@ -92,7 +92,7 @@
   /**
    * The version of data format, should be incremented on every format change.
    */
-  static const int DATA_VERSION = 42;
+  static const int DATA_VERSION = 43;
 
   /**
    * The number of exception contexts allowed to write. Once this field is
diff --git a/pkg/analyzer/lib/src/dart/constant/evaluation.dart b/pkg/analyzer/lib/src/dart/constant/evaluation.dart
index b0f6523..fc3ee08 100644
--- a/pkg/analyzer/lib/src/dart/constant/evaluation.dart
+++ b/pkg/analyzer/lib/src/dart/constant/evaluation.dart
@@ -706,24 +706,7 @@
     String superName = null;
     NodeList<Expression> superArguments = null;
     for (ConstructorInitializer initializer in initializers) {
-      if (initializer is AssertInitializer) {
-        Expression condition = initializer.condition;
-        DartObjectImpl conditionResult = condition?.accept(initializerVisitor);
-        if (conditionResult != null) {
-          if (conditionResult.isBool) {
-            if (!conditionResult.toBoolValue()) {
-              errorReporter.reportErrorForNode(
-                  CompileTimeErrorCode.CONST_EVAL_THROWS_ASSERT_FALSE, node);
-            }
-          } else {
-            errorReporter.reportErrorForNode(
-                CompileTimeErrorCode.CONST_EVAL_THROWS_ASSERT_NOT_BOOL, node);
-          }
-        } else {
-          errorReporter.reportErrorForNode(
-              CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION, node);
-        }
-      } else if (initializer is ConstructorFieldInitializer) {
+      if (initializer is ConstructorFieldInitializer) {
         Expression initializerExpression = initializer.expression;
         DartObjectImpl evaluationResult =
             initializerExpression?.accept(initializerVisitor);
diff --git a/pkg/analyzer/lib/src/error/codes.dart b/pkg/analyzer/lib/src/error/codes.dart
index 58e844c..346daf9 100644
--- a/pkg/analyzer/lib/src/error/codes.dart
+++ b/pkg/analyzer/lib/src/error/codes.dart
@@ -640,36 +640,6 @@
           "'num'.");
 
   /**
-   * https://github.com/dart-lang/sdk/blob/master/docs/language/informal/assert-in-initializer-list.md
-   *
-   * During a const constructor invocation (that is, when the `const`
-   * constructor is invoked using the const prefix), if the assert fails,
-   * either due to boolean conversion when `r` is not a boolean value or due to
-   * assertion failure when `r` is `false`, it is treated like any other
-   * compile-time throw in a compile-time constant expression, and it causes
-   * a compile-time error.
-   */
-  static const CompileTimeErrorCode CONST_EVAL_THROWS_ASSERT_NOT_BOOL =
-      const CompileTimeErrorCode(
-          'CONST_EVAL_THROWS_ASSERT_NOT_BOOL',
-          "In constant constructors the value of the condition of an assert "
-          "statement must be bool.");
-
-  /**
-   * https://github.com/dart-lang/sdk/blob/master/docs/language/informal/assert-in-initializer-list.md
-   *
-   * During a const constructor invocation (that is, when the `const`
-   * constructor is invoked using the const prefix), if the assert fails,
-   * either due to boolean conversion when `r` is not a boolean value or due to
-   * assertion failure when `r` is `false`, it is treated like any other
-   * compile-time throw in a compile-time constant expression, and it causes
-   * a compile-time error.
-   */
-  static const CompileTimeErrorCode CONST_EVAL_THROWS_ASSERT_FALSE =
-      const CompileTimeErrorCode('CONST_EVAL_THROWS_ASSERT_FALSE',
-          "Evaluation of this constant expression throws an AssertionError.");
-
-  /**
    * 16.12.2 Const: It is a compile-time error if evaluation of a constant
    * object results in an uncaught exception being thrown.
    */
diff --git a/pkg/analyzer/lib/src/generated/resolver.dart b/pkg/analyzer/lib/src/generated/resolver.dart
index 9cde7c1..aed62ae 100644
--- a/pkg/analyzer/lib/src/generated/resolver.dart
+++ b/pkg/analyzer/lib/src/generated/resolver.dart
@@ -1714,10 +1714,6 @@
       AnalysisError data = errors[i];
       ErrorCode dataErrorCode = data.errorCode;
       if (identical(dataErrorCode,
-              CompileTimeErrorCode.CONST_EVAL_THROWS_ASSERT_FALSE) ||
-          identical(dataErrorCode,
-              CompileTimeErrorCode.CONST_EVAL_THROWS_ASSERT_NOT_BOOL) ||
-          identical(dataErrorCode,
               CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION) ||
           identical(
               dataErrorCode, CompileTimeErrorCode.CONST_EVAL_THROWS_IDBZE) ||
diff --git a/pkg/analyzer/test/generated/compile_time_error_code_test.dart b/pkg/analyzer/test/generated/compile_time_error_code_test.dart
index e8cc068..5158c90 100644
--- a/pkg/analyzer/test/generated/compile_time_error_code_test.dart
+++ b/pkg/analyzer/test/generated/compile_time_error_code_test.dart
@@ -1120,35 +1120,6 @@
     verify([source]);
   }
 
-  test_constEvalThrowsException_assertInitializer_false() async {
-    resetWith(
-        options: new AnalysisOptionsImpl()..enableAssertInitializer = true);
-    Source source = addSource(r'''
-class A {
-  const A(int p) : assert(p != 0);
-}
-const a = const A(0);
-''');
-    await computeAnalysisResult(source);
-    assertErrors(source, [CompileTimeErrorCode.CONST_EVAL_THROWS_ASSERT_FALSE]);
-    verify([source]);
-  }
-
-  test_constEvalThrowsException_assertInitializer_notBool() async {
-    resetWith(
-        options: new AnalysisOptionsImpl()..enableAssertInitializer = true);
-    Source source = addSource(r'''
-class A<T> {
-  const A(T p) : assert(p);
-}
-const a = const A(0);
-''');
-    await computeAnalysisResult(source);
-    assertErrors(
-        source, [CompileTimeErrorCode.CONST_EVAL_THROWS_ASSERT_NOT_BOOL]);
-    verify([source]);
-  }
-
   test_constEvalThrowsException_binaryMinus_null() async {
     await _check_constEvalThrowsException_binary_null("null - 5", false);
     await _check_constEvalThrowsException_binary_null("5 - null", true);
diff --git a/pkg/analyzer/test/generated/non_error_resolver_test.dart b/pkg/analyzer/test/generated/non_error_resolver_test.dart
index fae2d4f..c518a0e 100644
--- a/pkg/analyzer/test/generated/non_error_resolver_test.dart
+++ b/pkg/analyzer/test/generated/non_error_resolver_test.dart
@@ -1456,34 +1456,6 @@
     verify([source]);
   }
 
-  test_constEvalThrowsException_assertInitializer_notConst() async {
-    resetWith(
-        options: new AnalysisOptionsImpl()..enableAssertInitializer = true);
-    Source source = addSource(r'''
-class A {
-  A(int p) : assert(p != 0);
-}
-var a = new A(0);
-''');
-    await computeAnalysisResult(source);
-    assertNoErrors(source);
-    verify([source]);
-  }
-
-  test_constEvalThrowsException_assertInitializer_true() async {
-    resetWith(
-        options: new AnalysisOptionsImpl()..enableAssertInitializer = true);
-    Source source = addSource(r'''
-class A {
-  const A(int p) : assert(p != 0);
-}
-const a = const A(1);
-''');
-    await computeAnalysisResult(source);
-    assertNoErrors(source);
-    verify([source]);
-  }
-
   test_constEvalTypeBoolNumString_equal() async {
     Source source = addSource(r'''
 class A {
diff --git a/tools/VERSION b/tools/VERSION
index c9fa253..1648a92 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -28,4 +28,4 @@
 MINOR 25
 PATCH 0
 PRERELEASE 16
-PRERELEASE_PATCH 3
+PRERELEASE_PATCH 4