10 files changed, 18 insertions, 31 deletions
diff --git a/test/files/neg/t5956.check b/test/files/neg/t5956.check
index 6641dac97f..f5ae42c799 100644
--- a/test/files/neg/t5956.check
+++ b/test/files/neg/t5956.check
@@ -1,20 +1,7 @@
-t5956.scala:1: warning: case classes without a parameter list have been deprecated;
-use either case objects or case classes with `()' as parameter list.
-object O { case class C[T]; class C }
-                          ^
-t5956.scala:2: warning: case classes without a parameter list have been deprecated;
-use either case objects or case classes with `()' as parameter list.
-object T { case class C[T]; case class C }
-                          ^
-t5956.scala:2: warning: case classes without a parameter list have been deprecated;
-use either case objects or case classes with `()' as parameter list.
-object T { case class C[T]; case class C }
-                                        ^
 t5956.scala:1: error: C is already defined as case class C
-object O { case class C[T]; class C }
-                                  ^
+object O { case class C[T](); class C() }
+                                    ^
 t5956.scala:2: error: C is already defined as case class C
-object T { case class C[T]; case class C }
-                                       ^
-three warnings found
+object T { case class C[T](); case class C() }
+                                         ^
 two errors found
diff --git a/test/files/neg/t5956.scala b/test/files/neg/t5956.scala
index d985fa97a4..3cc10f3e19 100644
--- a/test/files/neg/t5956.scala
+++ b/test/files/neg/t5956.scala
@@ -1,2 +1,2 @@
-object O { case class C[T]; class C }
-object T { case class C[T]; case class C }
+object O { case class C[T](); class C() }
+object T { case class C[T](); case class C() }
diff --git a/test/files/pos/depmet_implicit_oopsla_session_simpler.scala b/test/files/pos/depmet_implicit_oopsla_session_simpler.scala
index d2986ef56f..7c9af66611 100644
--- a/test/files/pos/depmet_implicit_oopsla_session_simpler.scala
+++ b/test/files/pos/depmet_implicit_oopsla_session_simpler.scala
@@ -5,7 +5,7 @@ object Sessions {
     def run(dp: Dual): Unit
   }
 
-  sealed case class Stop extends Session {
+  sealed case class Stop() extends Session {
     type Dual = Stop
 
     def run(dp: Dual): Unit = {}
diff --git a/test/files/pos/infer2-pos.scala b/test/files/pos/infer2-pos.scala
index 06d0f5814f..0ed9666f40 100644
--- a/test/files/pos/infer2-pos.scala
+++ b/test/files/pos/infer2-pos.scala
@@ -1,7 +1,7 @@
 package test
 class Lst[T]
 case class cons[T](x: T, xs: Lst[T]) extends Lst[T]
-case class nil[T] extends Lst[T]
+case class nil[T]() extends Lst[T]
 object test {
   Console.println(cons(1, nil()))
 }
diff --git a/test/files/pos/t0301.scala b/test/files/pos/t0301.scala
index cb68f38062..24b4776010 100644
--- a/test/files/pos/t0301.scala
+++ b/test/files/pos/t0301.scala
@@ -1,7 +1,7 @@
 package fos
 
 abstract class Expr
-case class Var extends Expr
+case class Var() extends Expr
 
 object Analyzer {
   def substitution(expr: Expr, cls: (Var,Var)): Expr =
diff --git a/test/files/pos/t344.scala b/test/files/pos/t344.scala
index 8a6ad9120d..449a763af7 100644
--- a/test/files/pos/t344.scala
+++ b/test/files/pos/t344.scala
@@ -1,7 +1,7 @@
 object Bug {
   class A;
-  case class A1 extends A;
-  case class A2 extends A;
+  case class A1() extends A;
+  case class A2() extends A;
   def f: A =
     if (true)
       A1()
diff --git a/test/files/pos/t911.scala b/test/files/pos/t911.scala
index 224b14cda3..cfa4f49dc1 100644
--- a/test/files/pos/t911.scala
+++ b/test/files/pos/t911.scala
@@ -1,6 +1,6 @@
 object Test {
-def foo : Any = {
-  case class Foo {}
-  Foo;
-}
+  def foo: Any = {
+    case class Foo() {}
+    Foo;
+  }
 }
diff --git a/test/files/run/caseclasses.scala b/test/files/run/caseclasses.scala
index 5aafea59e3..668c984f3d 100644
--- a/test/files/run/caseclasses.scala
+++ b/test/files/run/caseclasses.scala
@@ -1,6 +1,6 @@
 case class Foo(x: Int)(y: Int)
 
-case class Bar
+case class Bar()
 
 abstract class Base
 abstract case class Abs(x: Int) extends Base
diff --git a/test/files/run/structural.scala b/test/files/run/structural.scala
index 36af8c4bfc..3a703d2cf1 100644
--- a/test/files/run/structural.scala
+++ b/test/files/run/structural.scala
@@ -152,7 +152,7 @@ object test2 {
 
 object test3 {
 
-  case class Exc extends Exception
+  case class Exc() extends Exception
   
   object Rec {
     def f = throw Exc()
diff --git a/test/files/run/t4415.scala b/test/files/run/t4415.scala
index f96031d650..caf1609b9e 100644
--- a/test/files/run/t4415.scala
+++ b/test/files/run/t4415.scala
@@ -39,7 +39,7 @@ class SecondProperty extends TopProperty
 class SubclassSecondProperty extends StandardProperty
 
 trait MyProp[T]
-case class MyPropImpl[T] extends MyProp[T]
+case class MyPropImpl[T]() extends MyProp[T]
 
 object SubclassMatch {