diff --git a/psycopg/adapter_asis.c b/psycopg/adapter_asis.c
index c5d89587..72768ac7 100644
--- a/psycopg/adapter_asis.c
+++ b/psycopg/adapter_asis.c
@@ -149,12 +149,6 @@ asis_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return type->tp_alloc(type, 0);
 }
 
-static PyObject *
-asis_repr(asisObject *self)
-{
-    return PyString_FromFormat("<psycopg2.extensions.AsIs object at %p>", self);
-}
-
 
 /* object type */
 
@@ -170,7 +164,7 @@ PyTypeObject asisType = {
     0,          /*tp_getattr*/
     0,          /*tp_setattr*/
     0,          /*tp_compare*/
-    (reprfunc)asis_repr, /*tp_repr*/
+    0,          /*tp_repr*/
     0,          /*tp_as_number*/
     0,          /*tp_as_sequence*/
     0,          /*tp_as_mapping*/
diff --git a/psycopg/adapter_binary.c b/psycopg/adapter_binary.c
index e6ada5e7..1bf04aa4 100644
--- a/psycopg/adapter_binary.c
+++ b/psycopg/adapter_binary.c
@@ -254,11 +254,6 @@ binary_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return type->tp_alloc(type, 0);
 }
 
-static PyObject *
-binary_repr(binaryObject *self)
-{
-    return PyString_FromFormat("<psycopg2.extensions.Binary object at %p>", self);
-}
 
 /* object type */
 
@@ -274,7 +269,7 @@ PyTypeObject binaryType = {
     0,          /*tp_getattr*/
     0,          /*tp_setattr*/
     0,          /*tp_compare*/
-    (reprfunc)binary_repr, /*tp_repr*/
+    0,          /*tp_repr*/
     0,          /*tp_as_number*/
     0,          /*tp_as_sequence*/
     0,          /*tp_as_mapping*/
diff --git a/psycopg/adapter_datetime.c b/psycopg/adapter_datetime.c
index 67697fba..aa26d383 100644
--- a/psycopg/adapter_datetime.c
+++ b/psycopg/adapter_datetime.c
@@ -214,12 +214,6 @@ pydatetime_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return type->tp_alloc(type, 0);
 }
 
-static PyObject *
-pydatetime_repr(pydatetimeObject *self)
-{
-    return PyString_FromFormat("<psycopg2._psycopg.datetime object at %p>",
-                                self);
-}
 
 /* object type */
 
@@ -235,7 +229,7 @@ PyTypeObject pydatetimeType = {
     0,          /*tp_getattr*/
     0,          /*tp_setattr*/
     0,          /*tp_compare*/
-    (reprfunc)pydatetime_repr, /*tp_repr*/
+    0,          /*tp_repr*/
     0,          /*tp_as_number*/
     0,          /*tp_as_sequence*/
     0,          /*tp_as_mapping*/
diff --git a/psycopg/adapter_list.c b/psycopg/adapter_list.c
index 1198a81b..ed26b680 100644
--- a/psycopg/adapter_list.c
+++ b/psycopg/adapter_list.c
@@ -215,11 +215,6 @@ list_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return type->tp_alloc(type, 0);
 }
 
-static PyObject *
-list_repr(listObject *self)
-{
-    return PyString_FromFormat("<psycopg2._psycopg.List object at %p>", self);
-}
 
 /* object type */
 
@@ -235,7 +230,7 @@ PyTypeObject listType = {
     0,          /*tp_getattr*/
     0,          /*tp_setattr*/
     0,          /*tp_compare*/
-    (reprfunc)list_repr, /*tp_repr*/
+    0,          /*tp_repr*/
     0,          /*tp_as_number*/
     0,          /*tp_as_sequence*/
     0,          /*tp_as_mapping*/
diff --git a/psycopg/adapter_mxdatetime.c b/psycopg/adapter_mxdatetime.c
index 4696a9d0..94642df5 100644
--- a/psycopg/adapter_mxdatetime.c
+++ b/psycopg/adapter_mxdatetime.c
@@ -205,12 +205,6 @@ mxdatetime_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return type->tp_alloc(type, 0);
 }
 
-static PyObject *
-mxdatetime_repr(mxdatetimeObject *self)
-{
-    return PyString_FromFormat("<psycopg2._psycopg.MxDateTime object at %p>",
-                                self);
-}
 
 /* object type */
 
@@ -226,7 +220,7 @@ PyTypeObject mxdatetimeType = {
     0,          /*tp_getattr*/
     0,          /*tp_setattr*/
     0,          /*tp_compare*/
-    (reprfunc)mxdatetime_repr, /*tp_repr*/
+    0,          /*tp_repr*/
     0,          /*tp_as_number*/
     0,          /*tp_as_sequence*/
     0,          /*tp_as_mapping*/
diff --git a/psycopg/adapter_pboolean.c b/psycopg/adapter_pboolean.c
index 13262663..e48f5eb6 100644
--- a/psycopg/adapter_pboolean.c
+++ b/psycopg/adapter_pboolean.c
@@ -146,13 +146,6 @@ pboolean_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return type->tp_alloc(type, 0);
 }
 
-static PyObject *
-pboolean_repr(pbooleanObject *self)
-{
-    return PyString_FromFormat("<psycopg2.extensions.Boolean object at %p>",
-                                self);
-}
-
 
 /* object type */
 
@@ -168,7 +161,7 @@ PyTypeObject pbooleanType = {
     0,          /*tp_getattr*/
     0,          /*tp_setattr*/
     0,          /*tp_compare*/
-    (reprfunc)pboolean_repr, /*tp_repr*/
+    0,          /*tp_repr*/
     0,          /*tp_as_number*/
     0,          /*tp_as_sequence*/
     0,          /*tp_as_mapping*/
diff --git a/psycopg/adapter_pdecimal.c b/psycopg/adapter_pdecimal.c
index 35721417..0ec4826c 100644
--- a/psycopg/adapter_pdecimal.c
+++ b/psycopg/adapter_pdecimal.c
@@ -202,13 +202,6 @@ pdecimal_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return type->tp_alloc(type, 0);
 }
 
-static PyObject *
-pdecimal_repr(pdecimalObject *self)
-{
-    return PyString_FromFormat("<psycopg2._psycopg.Decimal object at %p>",
-                                self);
-}
-
 
 /* object type */
 
@@ -224,7 +217,7 @@ PyTypeObject pdecimalType = {
     0,          /*tp_getattr*/
     0,          /*tp_setattr*/
     0,          /*tp_compare*/
-    (reprfunc)pdecimal_repr, /*tp_repr*/
+    0,          /*tp_repr*/
     0,          /*tp_as_number*/
     0,          /*tp_as_sequence*/
     0,          /*tp_as_mapping*/
diff --git a/psycopg/adapter_pfloat.c b/psycopg/adapter_pfloat.c
index 789fb492..5343f746 100644
--- a/psycopg/adapter_pfloat.c
+++ b/psycopg/adapter_pfloat.c
@@ -175,13 +175,6 @@ pfloat_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return type->tp_alloc(type, 0);
 }
 
-static PyObject *
-pfloat_repr(pfloatObject *self)
-{
-    return PyString_FromFormat("<psycopg2.extensions.Float object at %p>",
-                                self);
-}
-
 
 /* object type */
 
@@ -197,7 +190,7 @@ PyTypeObject pfloatType = {
     0,          /*tp_getattr*/
     0,          /*tp_setattr*/
     0,          /*tp_compare*/
-    (reprfunc)pfloat_repr, /*tp_repr*/
+    0,          /*tp_repr*/
     0,          /*tp_as_number*/
     0,          /*tp_as_sequence*/
     0,          /*tp_as_mapping*/
diff --git a/psycopg/adapter_pint.c b/psycopg/adapter_pint.c
index 25d435ab..977932bc 100644
--- a/psycopg/adapter_pint.c
+++ b/psycopg/adapter_pint.c
@@ -161,13 +161,6 @@ pint_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return type->tp_alloc(type, 0);
 }
 
-static PyObject *
-pint_repr(pintObject *self)
-{
-    return PyString_FromFormat("<psycopg2.extensions.Int object at %p>",
-                                self);
-}
-
 
 /* object type */
 
@@ -183,7 +176,7 @@ PyTypeObject pintType = {
     0,          /*tp_getattr*/
     0,          /*tp_setattr*/
     0,          /*tp_compare*/
-    (reprfunc)pint_repr, /*tp_repr*/
+    0,          /*tp_repr*/
     0,          /*tp_as_number*/
     0,          /*tp_as_sequence*/
     0,          /*tp_as_mapping*/
diff --git a/psycopg/adapter_qstring.c b/psycopg/adapter_qstring.c
index 832f04b0..36b0a959 100644
--- a/psycopg/adapter_qstring.c
+++ b/psycopg/adapter_qstring.c
@@ -242,12 +242,6 @@ qstring_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     return type->tp_alloc(type, 0);
 }
 
-static PyObject *
-qstring_repr(qstringObject *self)
-{
-    return PyString_FromFormat(
-        "<psycopg2.extensions.QuotedString object at %p>", self);
-}
 
 /* object type */
 
@@ -263,7 +257,7 @@ PyTypeObject qstringType = {
     0,          /*tp_getattr*/
     0,          /*tp_setattr*/
     0,          /*tp_compare*/
-    (reprfunc)qstring_repr, /*tp_repr*/
+    0,          /*tp_repr*/
     0,          /*tp_as_number*/
     0,          /*tp_as_sequence*/
     0,          /*tp_as_mapping*/