diff --git a/include/libdivecomputer/descriptor.h b/include/libdivecomputer/descriptor.h
index 8601b0f..a78b600 100644
--- a/include/libdivecomputer/descriptor.h
+++ b/include/libdivecomputer/descriptor.h
@@ -58,9 +58,6 @@ dc_descriptor_get_type (dc_descriptor_t *descriptor);
 unsigned int
 dc_descriptor_get_model (dc_descriptor_t *descriptor);
 
-unsigned int
-dc_descriptor_get_serial (dc_descriptor_t *descriptor);
-
 dc_transport_t
 dc_descriptor_get_transport (dc_descriptor_t *descriptor);
 
diff --git a/src/descriptor.c b/src/descriptor.c
index c549f7a..3849ea0 100644
--- a/src/descriptor.c
+++ b/src/descriptor.c
@@ -53,7 +53,6 @@ struct dc_descriptor_t {
 	const char *product;
 	dc_family_t type;
 	unsigned int model;
-	unsigned int serial;
 };
 
 /*
@@ -436,15 +435,6 @@ dc_descriptor_get_model (dc_descriptor_t *descriptor)
 	return descriptor->model;
 }
 
-unsigned int
-dc_descriptor_get_serial (dc_descriptor_t *descriptor)
-{
-	if (descriptor == NULL)
-		return 0;
-
-	return descriptor->serial;
-}
-
 dc_transport_t
 dc_descriptor_get_transport (dc_descriptor_t *descriptor)
 {
diff --git a/src/parser.c b/src/parser.c
index 4e6071f..f5f55e3 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -195,7 +195,7 @@ dc_parser_new2 (dc_parser_t **out, dc_context_t *context, dc_descriptor_t *descr
 	return dc_parser_new_internal (out, context,
 		dc_descriptor_get_type (descriptor),
 		dc_descriptor_get_model (descriptor),
-		dc_descriptor_get_serial (descriptor),
+		0,
 		devtime, systime);
 }