diff --git a/include/c_types/pgr_prim_rt.h b/include/c_types/pgr_prim_rt.h
deleted file mode 100644
index 6415cc3c993..00000000000
--- a/include/c_types/pgr_prim_rt.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*PGR-GNU*****************************************************************
-File: pgr_prim_t.h
-
-Copyright (c) 2015 Aditya Pratap Singh
-Mail: adityapratap.singh28@gmail.com
-------
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
- ********************************************************************PGR-GNU*/
-/*! @file */
-
-#ifndef INCLUDE_C_TYPES_PGR_PRIM_RT_H_
-#define INCLUDE_C_TYPES_PGR_PRIM_RT_H_
-#pragma once
-
-/* for int64_t */
-#ifdef __cplusplus
-#   include <cstdint>
-#else
-#   include <stdint.h>
-#endif
-
-typedef struct {
-    int64_t root_vertex;
-    int64_t node;
-    int64_t edge;
-    double cost;
-    double agg_cost;
-    double tree_cost;
-} pgr_prim_rt;
-
-#endif  // INCLUDE_C_TYPES_PGR_PRIM_RT_H_