diff --git a/src/object-store/object_store.cpp b/src/object-store/object_store.cpp
index c282e20b..1949c285 100644
--- a/src/object-store/object_store.cpp
+++ b/src/object-store/object_store.cpp
@@ -555,11 +555,7 @@ InvalidNullabilityException::InvalidNullabilityException(std::string const& obje
         m_what = "'Object' property '" + property.name + "' must be nullable.";
     }
     else {
-#if REALM_NULL_STRINGS == 1
         m_what = "Array or Mixed property '" + property.name + "' cannot be nullable";
-#else
-        m_what = "Only 'Object' property types are nullable";
-#endif
     }
 }
 
diff --git a/src/object-store/schema.cpp b/src/object-store/schema.cpp
index bf7a6181..911dc4e5 100644
--- a/src/object-store/schema.cpp
+++ b/src/object-store/schema.cpp
@@ -71,11 +71,7 @@ void Schema::validate() const
 
             // check nullablity
             if (prop.is_nullable) {
-#if REALM_NULL_STRINGS == 1
                 if (prop.type == PropertyTypeArray || prop.type == PropertyTypeAny) {
-#else
-                if (prop.type != PropertyTypeObject) {
-#endif
                     exceptions.emplace_back(InvalidNullabilityException(object.name, prop));
                 }
             }