diff --git a/wrappers/cpp/abstractapi.py b/wrappers/cpp/abstractapi.py
index ef27d4ec0..eeaf10e08 100644
--- a/wrappers/cpp/abstractapi.py
+++ b/wrappers/cpp/abstractapi.py
@@ -490,11 +490,7 @@ class CParser(object):
 					   'linphone_core_get_sip_transports', # not wrappable
 					   'linphone_core_get_sip_transports_used'] # not wrappable
 
-		self.classBl = ['LinphoneImEncryptionEngine',
-					   'LinphoneImEncryptionEngineCbs',
-					   'LinphoneImNotifPolicy',
-					   'LpConfig',
-					   'LinphoneErrorInfo',
+		self.classBl = ['LpConfig',
 					   'LinphonePayloadType',
 					   'LinphonePlayer']  # temporarly blacklisted
 		
diff --git a/wrappers/cpp/genwrapper.py b/wrappers/cpp/genwrapper.py
index 751c90428..8948432e8 100755
--- a/wrappers/cpp/genwrapper.py
+++ b/wrappers/cpp/genwrapper.py
@@ -274,8 +274,6 @@ class CppTranslator(object):
 		if type(exprtype) is AbsApi.BaseType:
 			if exprtype.name == 'string':
 				cExpr = 'StringUtilities::cppStringToC({0})'.format(cppExpr);
-			elif exprtype.name not in ['void', 'string', 'string_array'] and exprtype.isref:
-				cExpr = '&' + cppExpr
 			else:
 				cExpr = cppExpr
 		elif type(exprtype) is AbsApi.EnumType:
@@ -315,9 +313,7 @@ class CppTranslator(object):
 	
 	def _wrap_c_expression_to_cpp(self, cExpr, exprtype, usedNamespace=None):
 		if type(exprtype) is AbsApi.BaseType:
-			if exprtype.name == 'void' and not exprtype.isref:
-				return cExpr
-			elif exprtype.name == 'string':
+			if exprtype.name == 'string':
 				return 'StringUtilities::cStringToCpp({0})'.format(cExpr)
 			elif exprtype.name == 'string_array':
 				return 'StringUtilities::cStringArrayToCppList({0})'.format(cExpr)
@@ -391,6 +387,7 @@ class CppTranslator(object):
 				res = _type.size
 			else:
 				res = 'int{0}_t'.format(_type.size)
+				
 		elif _type.name == 'floatant':
 			if _type.size is not None and _type.size == 'double':
 				res = 'double'
@@ -418,7 +415,7 @@ class CppTranslator(object):
 				res = 'const ' + res
 		
 		if _type.isref:
-			res += ' &'
+			res += ' *'
 		return res
 	
 	def translate_enum_type(self, _type, **params):