diff --git a/src/backend/xml/gnc-commodity-xml-v2.cpp b/src/backend/xml/gnc-commodity-xml-v2.cpp
index 69d7f181c2..2eaf48c1bb 100644
--- a/src/backend/xml/gnc-commodity-xml-v2.cpp
+++ b/src/backend/xml/gnc-commodity-xml-v2.cpp
@@ -76,7 +76,7 @@ gnc_commodity_dom_tree_create (const gnc_commodity* com)
     xmlSetProp (ret, BAD_CAST "version", BAD_CAST commodity_version_string);
 
     xmlAddChild (ret, text_to_dom_tree (cmdty_namespace,
-                                        gnc_commodity_get_namespace_compat (com)));
+                                        gnc_commodity_get_namespace (com)));
     xmlAddChild (ret, text_to_dom_tree (cmdty_id,
                                         gnc_commodity_get_mnemonic (com)));
 
diff --git a/src/backend/xml/sixtp-dom-generators.cpp b/src/backend/xml/sixtp-dom-generators.cpp
index 8fd9b7d2fd..d659da5dfa 100644
--- a/src/backend/xml/sixtp-dom-generators.cpp
+++ b/src/backend/xml/sixtp-dom-generators.cpp
@@ -120,7 +120,7 @@ commodity_ref_to_dom_tree (const char* tag, const gnc_commodity* c)
     {
         return NULL;
     }
-    name_space = g_strdup (gnc_commodity_get_namespace_compat (c));
+    name_space = g_strdup (gnc_commodity_get_namespace (c));
     mnemonic = g_strdup (gnc_commodity_get_mnemonic (c));
     xmlNewTextChild (ret, NULL, BAD_CAST "cmdty:space",
                      checked_char_cast (name_space));
diff --git a/src/backend/xml/test/test-xml-commodity.cpp b/src/backend/xml/test/test-xml-commodity.cpp
index afb9d0ef8b..8da5956c85 100644
--- a/src/backend/xml/test/test-xml-commodity.cpp
+++ b/src/backend/xml/test/test-xml-commodity.cpp
@@ -70,7 +70,7 @@ node_and_commodity_equal (xmlNodePtr node, const gnc_commodity* com)
         else if (g_strcmp0 ((char*)mark->name, "cmdty:space") == 0)
         {
             if (!equals_node_val_vs_string (
-                    mark, gnc_commodity_get_namespace_compat (com)))
+                    mark, gnc_commodity_get_namespace (com)))
             {
                 return "namespaces differ";
             }
diff --git a/src/engine/gnc-commodity.c b/src/engine/gnc-commodity.c
index db97e8f9cc..5b0ce4ee9b 100644
--- a/src/engine/gnc-commodity.c
+++ b/src/engine/gnc-commodity.c
@@ -1020,22 +1020,6 @@ gnc_commodity_get_namespace(const gnc_commodity * cm)
     return gnc_commodity_namespace_get_name(GET_PRIVATE(cm)->name_space);
 }
 
-const char *
-gnc_commodity_get_namespace_compat(const gnc_commodity * cm)
-{
-    CommodityPrivate* priv;
-
-    if (!cm) return NULL;
-    priv = GET_PRIVATE(cm);
-    if (!priv->name_space) return NULL;
-    if (priv->name_space->iso4217)
-    {
-        /* Data files are still written with ISO4217. */
-        return GNC_COMMODITY_NS_ISO;
-    }
-    return gnc_commodity_namespace_get_name(priv->name_space);
-}
-
 gnc_commodity_namespace *
 gnc_commodity_get_namespace_ds(const gnc_commodity * cm)
 {
diff --git a/src/engine/gnc-commodity.h b/src/engine/gnc-commodity.h
index 161996e50a..8daa83b375 100644
--- a/src/engine/gnc-commodity.h
+++ b/src/engine/gnc-commodity.h
@@ -340,20 +340,6 @@ const char * gnc_commodity_get_mnemonic(const gnc_commodity * cm);
  */
 const char * gnc_commodity_get_namespace(const gnc_commodity * cm);
 
-/** Retrieve the namespace for the specified commodity.  This will be
- *  a pointer to a null terminated string of the form "AMEX",
- *  "NASDAQ", etc.  The only difference between function and
- *  gnc_commodity_get_namespace() is that this function returns
- *  ISO4217 instead of CURRENCY for backward compatibility with the
- *  1.8 data files.
- *
- *  @param cm A pointer to a commodity data structure.
- *
- *  @return A pointer to the namespace for this commodity.  This string
- *  is owned by the engine and should not be freed by the caller.
- */
-const char * gnc_commodity_get_namespace_compat(const gnc_commodity * cm);
-
 /** Retrieve the namespace data strucure for the specified commodity.
  *  This will be a pointer to another data structure.
  *