diff --git a/src/rinterface.c b/src/rinterface.c
index a86469744e..0374a61fee 100644
--- a/src/rinterface.c
+++ b/src/rinterface.c
@@ -11106,10 +11106,8 @@ SEXP R_igraph_eulerian_cycle(SEXP graph) {
   R_SEXP_to_igraph(graph, &c_graph);
   IGRAPH_R_CHECK(igraph_vector_int_init(&c_edge_res, 0));
   IGRAPH_FINALLY(igraph_vector_int_destroy, &c_edge_res);
-  if (0 != igraph_vector_int_init(&c_vertex_res, 0)) {
-    igraph_error("", __FILE__, __LINE__, IGRAPH_ENOMEM);
-  }
-  IGRAPH_FINALLY_PV(igraph_vector_int_destroy, &c_vertex_res);
+  IGRAPH_R_CHECK(igraph_vector_int_init(&c_vertex_res, 0));
+  IGRAPH_FINALLY(igraph_vector_int_destroy, &c_vertex_res);
                                         /* Call igraph */
   IGRAPH_R_CHECK(igraph_eulerian_cycle(&c_graph, &c_edge_res, &c_vertex_res));
 
diff --git a/src/vendor/cigraph/interfaces/functions.yaml b/src/vendor/cigraph/interfaces/functions.yaml
index 163f863bcd..e6e923e805 100644
--- a/src/vendor/cigraph/interfaces/functions.yaml
+++ b/src/vendor/cigraph/interfaces/functions.yaml
@@ -2563,7 +2563,7 @@ igraph_eulerian_path:
     DEPS: edge_res ON graph, vertex_res ON graph
 
 igraph_eulerian_cycle:
-    PARAMS: GRAPH graph, OPTIONAL OUT EDGE_INDICES edge_res, OPTIONAL OUT VERTEX_INDICES_PV vertex_res
+    PARAMS: GRAPH graph, OPTIONAL OUT EDGE_INDICES edge_res, OPTIONAL OUT VERTEX_INDICES vertex_res
     DEPS: edge_res ON graph, vertex_res ON graph
 
 #######################################
diff --git a/src/vendor/cigraph/interfaces/types.yaml b/src/vendor/cigraph/interfaces/types.yaml
index f726e1f59b..4865b99292 100644
--- a/src/vendor/cigraph/interfaces/types.yaml
+++ b/src/vendor/cigraph/interfaces/types.yaml
@@ -157,13 +157,6 @@ VERTEX_INDICES:
     CTYPE: igraph_vector_int_t
     FLAGS: BY_REF
 
-# Temporary, for https://github.com/igraph/rigraph/pull/1630
-# We should call the `_PV` versions for all types in the future.
-VERTEX_INDICES_PV:
-    # An integer vector containing vertex indices.
-    CTYPE: igraph_vector_int_t
-    FLAGS: BY_REF
-
 VERTEX_INDEX_PAIRS:
     # An integer vector containing pairs of vertex indices, in a flattened
     # representation
diff --git a/src/vendor/igraph_version.h b/src/vendor/igraph_version.h
index 3bad40e7ff..60eec6ee76 100644
--- a/src/vendor/igraph_version.h
+++ b/src/vendor/igraph_version.h
@@ -28,11 +28,11 @@
 
 __BEGIN_DECLS
 
-#define IGRAPH_VERSION "0.10.15-47-g521624378"
+#define IGRAPH_VERSION "0.10.15-48-g2ab6b8794"
 #define IGRAPH_VERSION_MAJOR 0
 #define IGRAPH_VERSION_MINOR 10
 #define IGRAPH_VERSION_PATCH 15
-#define IGRAPH_VERSION_PRERELEASE "47-g521624378"
+#define IGRAPH_VERSION_PRERELEASE "48-g2ab6b8794"
 
 IGRAPH_EXPORT void igraph_version(const char **version_string,
                                   int *major,