diff --git a/types/ember/test/transition.ts b/types/ember/test/transition.ts
index f06ee8865e..f6f3e0b4f0 100755
--- a/types/ember/test/transition.ts
+++ b/types/ember/test/transition.ts
@@ -11,7 +11,7 @@ Ember.Route.extend({
 });
 
 Ember.Controller.extend({
-    previousTransition: <Transition | null> null,
+    previousTransition: null as Transition | null,
 
     actions: {
         login() {
diff --git a/types/ember/v2/test/transition.ts b/types/ember/v2/test/transition.ts
index 3a64675c24..40057d9828 100755
--- a/types/ember/v2/test/transition.ts
+++ b/types/ember/v2/test/transition.ts
@@ -10,7 +10,7 @@ Ember.Route.extend({
 });
 
 Ember.Controller.extend({
-    previousTransition: <Ember.Transition | null> null,
+    previousTransition: null as Ember.Transition | null,
 
     actions: {
         login() {
diff --git a/types/ssh2/ssh2-tests.ts b/types/ssh2/ssh2-tests.ts
index e6d03e939f..432fad281d 100644
--- a/types/ssh2/ssh2-tests.ts
+++ b/types/ssh2/ssh2-tests.ts
@@ -313,7 +313,7 @@ var buffersEqual = require('buffer-equal-constant-time'),
     //ssh2 = require('ssh2'),
     utils = ssh2.utils;
 
-var pubKey = utils.genPublicKey(<ssh2_streams.ParsedKey>utils.parseKey(fs.readFileSync('user.pub')));
+var pubKey = utils.genPublicKey(utils.parseKey(fs.readFileSync('user.pub')) as ssh2_streams.ParsedKey);
 
 new ssh2.Server({
     hostKeys: [fs.readFileSync('host.key')]