diff --git a/lib/jasmine-core/jasmine.js b/lib/jasmine-core/jasmine.js
index ab8a3dae..d4bdcd70 100644
--- a/lib/jasmine-core/jasmine.js
+++ b/lib/jasmine-core/jasmine.js
@@ -1364,7 +1364,7 @@ jasmine.Matchers.prototype.toThrow = function(expected) {
   var not = this.isNot ? "not " : "";
 
   this.message = function() {
-    if (exception && (jasmine.util.isUndefined(expected) || !this.env.equals_(exception.message || exception, expected.message || expected))) {
+    if (exception) {
       return ["Expected function " + not + "to throw", expected ? expected.message || expected : "an exception", ", but it threw", exception.message || exception].join(' ');
     } else {
       return "Expected function to throw an exception.";
diff --git a/src/core/Matchers.js b/src/core/Matchers.js
index 15c4515e..631e555d 100644
--- a/src/core/Matchers.js
+++ b/src/core/Matchers.js
@@ -239,7 +239,7 @@ jasmine.Matchers.prototype.toThrow = function(expected) {
   var not = this.isNot ? "not " : "";
 
   this.message = function() {
-    if (exception && (jasmine.util.isUndefined(expected) || !this.env.equals_(exception.message || exception, expected.message || expected))) {
+    if (exception) {
       return ["Expected function " + not + "to throw", expected ? expected.message || expected : "an exception", ", but it threw", exception.message || exception].join(' ');
     } else {
       return "Expected function to throw an exception.";