diff --git a/common/main/gameseg.h b/common/main/gameseg.h
index a3add29d6..b8d9f9c87 100644
--- a/common/main/gameseg.h
+++ b/common/main/gameseg.h
@@ -72,7 +72,7 @@ struct vertex_array_list_t : array<int, 6> {};
 void create_all_vertex_lists(int *num_faces, vertex_array_list_t &vertices, segnum_t segnum, int sidenum);
 
 //like create_all_vertex_lists(), but generate absolute point numbers
-void create_abs_vertex_lists(int *num_faces, vertex_array_list_t &vertices, segnum_t segnum, int sidenum, const char *calling_file, int calling_linenum);
+void create_abs_vertex_lists(int *num_faces, vertex_array_list_t &vertices, segnum_t segnum, int sidenum);
 
 // -----------------------------------------------------------------------------------
 // Like create all vertex lists, but returns the vertnums (relative to
diff --git a/similar/main/fvi.cpp b/similar/main/fvi.cpp
index 7e7fb08c5..093e1d2bd 100644
--- a/similar/main/fvi.cpp
+++ b/similar/main/fvi.cpp
@@ -248,7 +248,7 @@ static int check_line_to_face(vms_vector *newp,const vms_vector *p0,const vms_ve
 
 		norm = seg->sides[side].normals[facenum];
 
-	create_abs_vertex_lists(&num_faces, vertex_list, seg - Segments, side, __FILE__, __LINE__);
+	create_abs_vertex_lists(&num_faces, vertex_list, seg - Segments, side);
 
 	//use lowest point number
 	if (num_faces==2) {
@@ -327,7 +327,7 @@ static int special_check_line_to_face(vms_vector *newp,const vms_vector *p0,cons
 
 	//calc some basic stuff
 
-	create_abs_vertex_lists(&num_faces, vertex_list, seg - Segments, side, __FILE__, __LINE__);
+	create_abs_vertex_lists(&num_faces, vertex_list, seg - Segments, side);
 	vm_vec_sub(move_vec,*p1,*p0);
 
 	//figure out which edge(s) to check against
@@ -1116,7 +1116,7 @@ void find_hitpoint_uv(fix *u,fix *v,const vms_vector *pnt,const segment *seg,int
 		return;
 	}
 
-	create_abs_vertex_lists(&num_faces, vertex_list, segnum, sidenum, __FILE__, __LINE__);
+	create_abs_vertex_lists(&num_faces, vertex_list, segnum, sidenum);
 	create_all_vertnum_lists(&num_faces,vertnum_list,segnum,sidenum);
 
 	//now the hard work.
@@ -1239,7 +1239,7 @@ static int sphere_intersects_wall(vms_vector *pnt,segnum_t segnum,fix rad,segnum
 
 					//did we go through this wall/door?
 
-					create_abs_vertex_lists(&num_faces, vertex_list, seg - Segments, side, __FILE__, __LINE__);
+					create_abs_vertex_lists(&num_faces, vertex_list, seg - Segments, side);
 
 					face_hit_type = check_sphere_to_face( pnt,&seg->sides[side],
 										face,((num_faces==1)?4:3),rad,vertex_list);
diff --git a/similar/main/gameseg.cpp b/similar/main/gameseg.cpp
index 35ccd56a5..b6b6a7ba1 100644
--- a/similar/main/gameseg.cpp
+++ b/similar/main/gameseg.cpp
@@ -251,7 +251,7 @@ void create_all_vertnum_lists(int *num_faces, vertex_array_list_t &vertnums, seg
 
 // -----
 // like create_all_vertex_lists(), but generate absolute point numbers
-void create_abs_vertex_lists(int *num_faces, vertex_array_list_t &vertices, segnum_t segnum, int sidenum, const char *calling_file, int calling_linenum)
+void create_abs_vertex_lists(int *num_faces, vertex_array_list_t &vertices, segnum_t segnum, int sidenum)
 {
 	auto &vp = Segments[segnum].verts;
 	side	*sidep = &Segments[segnum].sides[sidenum];
@@ -333,7 +333,7 @@ segmasks get_seg_masks(const vms_vector *checkp, segnum_t segnum, fix rad, const
 		// Get number of faces on this side, and at vertex_list, store vertices.
 		//	If one face, then vertex_list indicates a quadrilateral.
 		//	If two faces, then 0,1,2 define one triangle, 3,4,5 define the second.
-		create_abs_vertex_lists(&num_faces, vertex_list, segnum, sn, calling_file, calling_linenum);
+		create_abs_vertex_lists(&num_faces, vertex_list, segnum, sn);
 
 		//ok...this is important.  If a side has 2 faces, we need to know if
 		//those faces form a concave or convex side.  If the side pokes out,
@@ -443,7 +443,7 @@ static ubyte get_side_dists(const vms_vector *checkp,segnum_t segnum,fix *side_d
 		// Get number of faces on this side, and at vertex_list, store vertices.
 		//	If one face, then vertex_list indicates a quadrilateral.
 		//	If two faces, then 0,1,2 define one triangle, 3,4,5 define the second.
-		create_abs_vertex_lists(&num_faces, vertex_list, segnum, sn, __FILE__, __LINE__);
+		create_abs_vertex_lists(&num_faces, vertex_list, segnum, sn);
 
 		//ok...this is important.  If a side has 2 faces, we need to know if
 		//those faces form a concave or convex side.  If the side pokes out,
@@ -553,7 +553,7 @@ int check_segment_connections(void)
 			int num_faces,con_num_faces;
 			vertex_array_list_t vertex_list, con_vertex_list;
 
-			create_abs_vertex_lists(&num_faces, vertex_list, segnum, sidenum, __FILE__, __LINE__);
+			create_abs_vertex_lists(&num_faces, vertex_list, segnum, sidenum);
 
 			segnum_t csegnum = seg->children[sidenum];
 
@@ -566,7 +566,7 @@ int check_segment_connections(void)
 					continue;
 				}
 
-				create_abs_vertex_lists(&con_num_faces, con_vertex_list, csegnum, csidenum, __FILE__, __LINE__);
+				create_abs_vertex_lists(&con_num_faces, con_vertex_list, csegnum, csidenum);
 
 				if (con_num_faces != num_faces) {
 					errors = 1;
@@ -1488,7 +1488,7 @@ void create_walls_on_side(segment *sp, int sidenum)
 			int			vertnum;
 			side			*s;
 
-			create_abs_vertex_lists(&num_faces, vertex_list, sp - Segments, sidenum, __FILE__, __LINE__);
+			create_abs_vertex_lists(&num_faces, vertex_list, sp - Segments, sidenum);
 
 			Assert(num_faces == 2);
 
diff --git a/similar/main/physics.cpp b/similar/main/physics.cpp
index 95d18d2af..2e1a7fd6a 100644
--- a/similar/main/physics.cpp
+++ b/similar/main/physics.cpp
@@ -746,7 +746,7 @@ void do_physics_sim(vobjptridx_t obj)
 
 				s = &Segments[orig_segnum].sides[sidenum];
 
-				create_abs_vertex_lists(&num_faces, vertex_list, orig_segnum, sidenum, __FILE__, __LINE__);
+				create_abs_vertex_lists(&num_faces, vertex_list, orig_segnum, sidenum);
 
 				//let's pretend this wall is not triangulated
 				auto b = begin(vertex_list);