diff --git a/lib/chefspec.rb b/lib/chefspec.rb
index 3301b3c0..c1a294f3 100644
--- a/lib/chefspec.rb
+++ b/lib/chefspec.rb
@@ -10,7 +10,7 @@ module ChefSpec
   # @return [self]
   #
   def define_matcher(resource_name)
-    matchers[resource_name.to_sym] = Proc.new do |identity|
+    matchers[resource_name.to_sym] = proc do |identity|
       find_resource(resource_name, identity)
     end
 
diff --git a/lib/chefspec/matchers/notifications_matcher.rb b/lib/chefspec/matchers/notifications_matcher.rb
index 8b31eaff..ee699e7e 100644
--- a/lib/chefspec/matchers/notifications_matcher.rb
+++ b/lib/chefspec/matchers/notifications_matcher.rb
@@ -12,7 +12,7 @@ def matches?(resource)
       @resource = resource
 
       if @resource
-        block = Proc.new do |notified|
+        block = proc do |notified|
           resource_name(notified.resource).to_s == @expected_resource_type &&
             (@expected_resource_name === notified.resource.identity.to_s || @expected_resource_name === notified.resource.name.to_s) &&
             matches_action?(notified)
diff --git a/lib/chefspec/stubs/stub.rb b/lib/chefspec/stubs/stub.rb
index 1570308a..c418ed50 100644
--- a/lib/chefspec/stubs/stub.rb
+++ b/lib/chefspec/stubs/stub.rb
@@ -9,7 +9,7 @@ def and_return(value)
       end
 
       def and_raise(exception)
-        @block = Proc.new { raise exception }
+        @block = proc { raise exception }
         self
       end