diff --git a/DESCRIPTION b/DESCRIPTION
index b45a7cd..7210594 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -61,6 +61,7 @@ Imports:
     cli,
     crayon,
     data.table,
+    detectseparation (<= 0.2),
     dplyr,
     generics,
     ggplot2,
diff --git a/R/pkg_check.R b/R/pkg_check.R
index ebce473..f8540dd 100644
--- a/R/pkg_check.R
+++ b/R/pkg_check.R
@@ -80,16 +80,3 @@ methods::setMethod(
     invisible()
   }
 )
-
-check_version <- function(pkg, v) {
-  
-  check <- utils::packageVersion(pkg) == v
-  if (!check) {
-    rlang::warn(c(
-     "i" = glue::glue(
-       "Temporarily the version of the package ", 
-       "{crayon::blue(pkg)} must be {crayon::blue(paste0('v', v))}, but you ")
-    ), use_cli_format = TRUE)
-  }
-}
-