diff --git a/src/libtriton/bindings/python/objects/pyTritonContext.cpp b/src/libtriton/bindings/python/objects/pyTritonContext.cpp
index 6c54309da..015e22b3e 100644
--- a/src/libtriton/bindings/python/objects/pyTritonContext.cpp
+++ b/src/libtriton/bindings/python/objects/pyTritonContext.cpp
@@ -503,13 +503,10 @@ namespace triton {
         if (PyMethod_Check(function)) {
           cb_self = PyMethod_GET_SELF(function);
           cb = PyMethod_GET_FUNCTION(function);
-
-          Py_INCREF(cb_self);
         }
         else {
           cb = function;
         }
-        Py_INCREF(cb);
 
         try {
           switch (static_cast<triton::callbacks::callback_e>(PyLong_AsUint32(mode))) {