diff --git a/jerry-core/ecma/builtin-objects/ecma-builtin-object-prototype.c b/jerry-core/ecma/builtin-objects/ecma-builtin-object-prototype.c
index 7dc29acee..11ab8e053 100644
--- a/jerry-core/ecma/builtin-objects/ecma-builtin-object-prototype.c
+++ b/jerry-core/ecma/builtin-objects/ecma-builtin-object-prototype.c
@@ -151,14 +151,7 @@ ecma_builtin_object_prototype_object_has_own_property (ecma_value_t this_arg, /*
   ecma_object_t *obj_p = ecma_get_object_from_value (obj_val);
 
   /* 3. */
-  if (ecma_op_object_has_own_property (obj_p, property_name_string_p))
-  {
-    return_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
-  }
-  else
-  {
-    return_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
-  }
+  return_value = ecma_make_boolean_value (ecma_op_object_has_own_property (obj_p, property_name_string_p));
 
   ECMA_FINALIZE (obj_val);
 
diff --git a/jerry-core/ecma/builtin-objects/ecma-builtin-regexp-prototype.c b/jerry-core/ecma/builtin-objects/ecma-builtin-regexp-prototype.c
index 7c5663461..973410ed8 100644
--- a/jerry-core/ecma/builtin-objects/ecma-builtin-regexp-prototype.c
+++ b/jerry-core/ecma/builtin-objects/ecma-builtin-regexp-prototype.c
@@ -330,14 +330,7 @@ ecma_builtin_regexp_prototype_test (ecma_value_t this_arg, /**< this argument */
                   ecma_builtin_regexp_prototype_exec (this_arg, arg),
                   ret_value);
 
-  if (ecma_is_value_null (match_value))
-  {
-    ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
-  }
-  else
-  {
-    ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
-  }
+  ret_value = ecma_make_boolean_value (!ecma_is_value_null (match_value));
 
   ECMA_FINALIZE (match_value);
 
diff --git a/jerry-core/vm/opcodes-ecma-relational.c b/jerry-core/vm/opcodes-ecma-relational.c
index 8ce251790..5d967a2fe 100644
--- a/jerry-core/vm/opcodes-ecma-relational.c
+++ b/jerry-core/vm/opcodes-ecma-relational.c
@@ -228,14 +228,7 @@ opfunc_in (ecma_value_t left_value, /**< left value */
     ecma_string_t *left_value_prop_name_p = ecma_get_string_from_value (str_left_value);
     ecma_object_t *right_value_obj_p = ecma_get_object_from_value (right_value);
 
-    if (ecma_op_object_has_property (right_value_obj_p, left_value_prop_name_p))
-    {
-      ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
-    }
-    else
-    {
-      ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
-    }
+    ret_value = ecma_make_boolean_value (ecma_op_object_has_property (right_value_obj_p, left_value_prop_name_p));
 
     ECMA_FINALIZE (str_left_value);
   }
diff --git a/jerry-core/vm/opcodes.c b/jerry-core/vm/opcodes.c
index 2d0d99bad..25ae18ec4 100644
--- a/jerry-core/vm/opcodes.c
+++ b/jerry-core/vm/opcodes.c
@@ -79,14 +79,7 @@ vm_var_decl (vm_frame_ctx_t *frame_ctx_p, /**< interpreter context */
 ecma_value_t
 opfunc_logical_not (ecma_value_t left_value) /**< left value */
 {
-  ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_TRUE);
-
-  if (ecma_op_to_boolean (left_value))
-  {
-    ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_FALSE);
-  }
-
-  return ret_value;
+  return ecma_make_boolean_value (!ecma_op_to_boolean (left_value));
 } /* opfunc_logical_not */
 
 /**