diff --git a/DESCRIPTION b/DESCRIPTION
index fa2affe..a7fc548 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -17,7 +17,7 @@ LinkingTo: Rcpp
 Suggests: testthat, foreign, datasets
 Encoding: UTF-8
 Language: en-US
-RoxygenNote: 7.2.1
+RoxygenNote: 7.2.3
 Roxygen: list(markdown = TRUE)
 Config/testthat/edition: 3
 Config/testthat/parallel: true
diff --git a/NAMESPACE b/NAMESPACE
index efae35b..f20fffa 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -4,7 +4,6 @@ export(convert_to_date)
 export(convert_to_datetime)
 export(convert_to_time)
 export(read.sas)
-export(readsas)
 import(Rcpp)
 importFrom(stringi,stri_encode)
 importFrom(utils,download.file)
diff --git a/R/RcppExports.R b/R/RcppExports.R
index 484e266..27f7b53 100644
--- a/R/RcppExports.R
+++ b/R/RcppExports.R
@@ -10,7 +10,8 @@
 #' @param empty_to_na logical convert '' to NA_character_
 #' @param tempstr filepath used for temp output when uncompressing
 #' @import Rcpp
-#' @export
+#' @keywords internal
+#' @noRd
 readsas <- function(filePath, debug, selectrows_, selectcols_, empty_to_na, tempstr) {
     .Call(`_readsas_readsas`, filePath, debug, selectrows_, selectcols_, empty_to_na, tempstr)
 }
diff --git a/man/readsas.Rd b/man/readsas.Rd
deleted file mode 100644
index a011980..0000000
--- a/man/readsas.Rd
+++ /dev/null
@@ -1,24 +0,0 @@
-% Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/RcppExports.R
-\name{readsas}
-\alias{readsas}
-\title{Reads SAS data files}
-\usage{
-readsas(filePath, debug, selectrows_, selectcols_, empty_to_na, tempstr)
-}
-\arguments{
-\item{filePath}{The full systempath to the sas7bdat file you want to import.}
-
-\item{debug}{print debug information}
-
-\item{selectrows_}{integer vector of selected rows}
-
-\item{selectcols_}{character vector of selected rows}
-
-\item{empty_to_na}{logical convert '' to NA_character_}
-
-\item{tempstr}{filepath used for temp output when uncompressing}
-}
-\description{
-Reads SAS data files
-}
diff --git a/src/readsas.cpp b/src/readsas.cpp
index 5cf0122..5f0bbc3 100644
--- a/src/readsas.cpp
+++ b/src/readsas.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019, 2022 Jan Marvin Garbuszus
+ * Copyright (C) 2019, 2022-2023 Jan Marvin Garbuszus
  *
  * 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
@@ -39,7 +39,8 @@ using namespace Rcpp;
 //' @param empty_to_na logical convert '' to NA_character_
 //' @param tempstr filepath used for temp output when uncompressing
 //' @import Rcpp
-//' @export
+//' @keywords internal
+//' @noRd
 // [[Rcpp::export]]
 Rcpp::List readsas(const char * filePath,
                    const bool debug,