diff --git a/news/fix-erase-all-param-set.rst b/news/fix-erase-all-param-set.rst
new file mode 100644
index 0000000..b3e4c6c
--- /dev/null
+++ b/news/fix-erase-all-param-set.rst
@@ -0,0 +1,23 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* Fix EraseAllParamSet binding for compiled RefinableObj
+
+**Security:**
+
+* <news item>
diff --git a/src/extensions/refinableobj_ext.cpp b/src/extensions/refinableobj_ext.cpp
index 143dacc..df367c1 100644
--- a/src/extensions/refinableobj_ext.cpp
+++ b/src/extensions/refinableobj_ext.cpp
@@ -85,6 +85,11 @@ RefinablePar& _GetParNotFixedLong(RefinableObj& obj, const long i)
     return obj.GetParNotFixed(i);
 }
 
+void _EraseAllParamSet(RefinableObj& obj)
+{
+    obj.EraseAllParamSet();
+}
+
 
 class RefinableObjWrap : public RefinableObj,
                  public wrapper<RefinableObj>
@@ -103,11 +108,6 @@ class RefinableObjWrap : public RefinableObj,
         RefinableObj::SetDeleteRefParInDestructor(false);
     }
 
-    // Fix for const void issue
-    void EraseAllParamSet() {
-        this->RefinableObj::EraseAllParamSet();
-    }
-
     const std::string& default_GetClassName() const
     { return this->RefinableObj::GetClassName(); }
 
@@ -484,7 +484,7 @@ void wrap_refinableobj()
             return_value_policy<copy_const_reference>())
         .def("GetParamSet_ParNotFixedHumanValue",
             &RefinableObj::GetParamSet_ParNotFixedHumanValue)
-        .def("EraseAllParamSet", &RefinableObjWrap::EraseAllParamSet)
+        .def("EraseAllParamSet", &_EraseAllParamSet)
         .def("GetParamSetName", &RefinableObj::GetParamSetName,
             return_value_policy<copy_const_reference>())
         .def("SetLimitsAbsolute", ( void (RefinableObj::*)
diff --git a/tests/test_lsq.py b/tests/test_lsq.py
index 412daaf..82624b7 100644
--- a/tests/test_lsq.py
+++ b/tests/test_lsq.py
@@ -13,7 +13,7 @@
 
 import pytest
 
-from pyobjcryst import refinableobj
+from pyobjcryst import ObjCrystException, refinableobj
 from pyobjcryst.diffractiondatasinglecrystal import (
     DiffractionDataSingleCrystal,
 )
@@ -56,6 +56,17 @@ def test_lsq_get_refined_obj(self):
         lsq.PrepareRefParList()
         # print(lsq.GetCompiledRefinedObj())
 
+    def test_lsq_compiled_refined_obj_erase_all_param_set(self):
+        """Check parameter sets can be erased on compiled refined
+        objects."""
+        lsq = LSQ()
+        lsq.SetRefinedObj(self.d, 0, True, True)
+        lsq.PrepareRefParList()
+        refobj = lsq.GetCompiledRefinedObj()
+        save = refobj.CreateParamSet("save")
+        refobj.EraseAllParamSet()
+        self.assertRaises(ObjCrystException, refobj.SaveParamSet, save)
+
     def test_lsq_set_pr_fixed(self):
         """Check Creating a basic LSQ object & get obs&calc arrays."""
         lsq = LSQ()