diff --git a/ets2panda/test/ast/compiler/ets/DeclareCheckAssign.ets b/ets2panda/test/ast/compiler/ets/DeclareCheckAssign.ets
index 7e3feec7a61195e2ddb1839dea824c9e1a2230ea..3eb37ca78f437268d63447d064b56305e439f19c 100644
--- a/ets2panda/test/ast/compiler/ets/DeclareCheckAssign.ets
+++ b/ets2panda/test/ast/compiler/ets/DeclareCheckAssign.ets
@@ -16,7 +16,7 @@
 export declare const byte_1: byte = -127 as byte, byte_2: byte = 126 as byte;
 export declare const byte_12: byte = -127 + 1, byte_22: byte = 126 - 1;
 export declare const byte_13: byte = Byte.MIN_VALUE, byte_23: byte = 126;
-export declare const byte_14: byte = new Byte().unboxed()
+export declare const byte_14: byte = new Byte().toByte()
 export declare const int_1 = 1 + 2 + 3 + 4
 const v = 42
 export declare const int_12 = v
diff --git a/ets2panda/test/compiler/ets/lambdaFunctionArrayDeclaration.ets b/ets2panda/test/compiler/ets/lambdaFunctionArrayDeclaration.ets
index d62b5ae67e33bc05d82071916a36da76d97942a4..0adecbc70ce63b555dc039d9756a3c321a05a85d 100644
--- a/ets2panda/test/compiler/ets/lambdaFunctionArrayDeclaration.ets
+++ b/ets2panda/test/compiler/ets/lambdaFunctionArrayDeclaration.ets
@@ -14,6 +14,6 @@
  */
 
 function main(): int {
-  let src14: ((x: Char) => char)[] = [(p: Char): char => { return p.unboxed(); }];
+  let src14: ((x: Char) => char)[] = [(p: Char): char => { return p.toChar(); }];
   return 0;
 }
diff --git a/ets2panda/test/runtime/ets/boxingConversions.ets b/ets2panda/test/runtime/ets/boxingConversions.ets
index ae548e88b8c48c1c1072e1a706d6dbec1cfe5257..bbfd4080700df91f17b73d37eccb46875d7d817c 100644
--- a/ets2panda/test/runtime/ets/boxingConversions.ets
+++ b/ets2panda/test/runtime/ets/boxingConversions.ets
@@ -16,5 +16,5 @@
 function main() {
     let s: long = 1
     let d: Double = s
-    arktest.assertEQ(d.unboxed(), 1.0)
+    arktest.assertEQ(d, 1.0)
 }
diff --git a/ets2panda/test/runtime/ets/boxingConversions2.ets b/ets2panda/test/runtime/ets/boxingConversions2.ets
index 7b536bf0f1866e5d1a94c46050c964f41f11b7b3..318e22882bf32cae474b344160e48a5497fb57ff 100644
--- a/ets2panda/test/runtime/ets/boxingConversions2.ets
+++ b/ets2panda/test/runtime/ets/boxingConversions2.ets
@@ -16,6 +16,6 @@
 function main() {
     let s1: int = 0
     let d1: Float = s1
-    arktest.assertEQ(d1.unboxed(), 0.0)
+    arktest.assertEQ(d1, 0.0)
 }
 
diff --git a/ets2panda/test/runtime/ets/boxingConversions3.ets b/ets2panda/test/runtime/ets/boxingConversions3.ets
index fed975dfdffa61187fc6e5a63be1e54fe0f01bad..22585493c5e1565862f5facdc4eea8b07f517d53 100644
--- a/ets2panda/test/runtime/ets/boxingConversions3.ets
+++ b/ets2panda/test/runtime/ets/boxingConversions3.ets
@@ -21,11 +21,11 @@ function main() {
     let f: Float = b
     let d: Double = b
     let c: Char = b
-    arktest.assertEQ(s.unboxed(), 1.0)
-    arktest.assertEQ(i.unboxed(), 1.0)
-    arktest.assertEQ(l.unboxed(), 1.0)
-    arktest.assertEQ(f.unboxed(), 1.0)
-    arktest.assertEQ(d.unboxed(), 1.0)
-    arktest.assertEQ(c.unboxed(), 1.0)
+    arktest.assertEQ(s, 1.0)
+    arktest.assertEQ(i, 1.0)
+    arktest.assertEQ(l, 1.0)
+    arktest.assertEQ(f, 1.0)
+    arktest.assertEQ(d, 1.0)
+    arktest.assertEQ(c, 1.0)
 }
 
diff --git a/ets2panda/test/runtime/ets/boxingConversions4.ets b/ets2panda/test/runtime/ets/boxingConversions4.ets
index 2c0abda3899384cfc6a2565229118e5138323ec4..9465602fac8f97fc335be80d97b109de04c6de41 100644
--- a/ets2panda/test/runtime/ets/boxingConversions4.ets
+++ b/ets2panda/test/runtime/ets/boxingConversions4.ets
@@ -19,9 +19,9 @@ function main() {
     let l: Long = c
     let f: Float = c
     let d: Double = c
-    arktest.assertEQ(i.unboxed(), 97)
-    arktest.assertEQ(l.unboxed(), 97)
-    arktest.assertEQ(f.unboxed(), 97.0)
-    arktest.assertEQ(d.unboxed(), 97.0)
+    arktest.assertEQ(i, 97)
+    arktest.assertEQ(l, 97)
+    arktest.assertEQ(f, 97.0)
+    arktest.assertEQ(d, 97.0)
 }
 
diff --git a/ets2panda/test/runtime/ets/boxingConversions5.ets b/ets2panda/test/runtime/ets/boxingConversions5.ets
index d391a80e4a60ef20992a03e3af942d3c790176eb..2c5982b970cbd482c0f8e38b69ace6b54c8a2dc5 100644
--- a/ets2panda/test/runtime/ets/boxingConversions5.ets
+++ b/ets2panda/test/runtime/ets/boxingConversions5.ets
@@ -19,7 +19,7 @@ function main() {
     let f: Float = i
     let d: Double = i
 
-    arktest.assertEQ(l.unboxed(), 1)
-    arktest.assertEQ(f.unboxed(), 1.0)
-    arktest.assertEQ(d.unboxed(), 1.0)
+    arktest.assertEQ(l, 1)
+    arktest.assertEQ(f, 1.0)
+    arktest.assertEQ(d, 1.0)
 }
diff --git a/ets2panda/test/runtime/ets/castSequence.ets b/ets2panda/test/runtime/ets/castSequence.ets
index ae948937aef93464da08551aba69c1cab8c559ff..f423695c5f57d79b9a39499b0e3a83c11ef6ebc3 100644
--- a/ets2panda/test/runtime/ets/castSequence.ets
+++ b/ets2panda/test/runtime/ets/castSequence.ets
@@ -17,7 +17,7 @@ function main(): void {
   let a_int : int = 2147;
   let b_Num : Number = Int.toDouble(a_int);
 
-  arktest.assertTrue(b_Num instanceof Number && b_Num.unboxed() == 2147.0)
+  arktest.assertTrue(b_Num instanceof Number && b_Num.toDouble() == 2147.0)
 
   let a_Short : Short = 215;
   let b_double : double = Short.toDouble(a_Short);
@@ -28,7 +28,7 @@ function main(): void {
   let a_char : char = 128 as char;
   let b_Char = a_char as Char;
 
-  arktest.assertEQ(b_Char.unboxed(), 128 as char)
+  arktest.assertEQ(b_Char.toChar(), 128 as char)
 
   return;
 }
\ No newline at end of file