diff --git a/R/compare.R b/R/compare.R
index 2325e8d..784510a 100644
--- a/R/compare.R
+++ b/R/compare.R
@@ -156,11 +156,6 @@ compare_documents <- function(sample1,
 #'   calculated using `reference_scores`.
 #' @param rforest Optional. A random forest created with [`ranger::ranger()`].
 #'   If a random forest is not supplied, `random_forest` will be used.
-#' @param project_dir Optional. A folder in which to save helper files and a CSV
-#'   file with the results. If no project directory is supplied. Helper files
-#'   will be saved to tempdir() > comparison but deleted before the function
-#'   terminates. A CSV file with the results will not be saved, but a data frame
-#'   of the results will be returned.
 #' @param reference_scores Optional. A list of same writer and different writer
 #'   similarity scores used for reference to calculate a score-based likelihood
 #'   ratio. If reference scores are not supplied, `ref_scores` will be used only
diff --git a/man/compare_writer_profiles.Rd b/man/compare_writer_profiles.Rd
index 6b14ece..b387e2f 100644
--- a/man/compare_writer_profiles.Rd
+++ b/man/compare_writer_profiles.Rd
@@ -8,7 +8,6 @@ compare_writer_profiles(
   writer_profiles,
   score_only = TRUE,
   rforest = NULL,
-  project_dir = NULL,
   reference_scores = NULL
 )
 }
@@ -23,12 +22,6 @@ calculated using \code{reference_scores}.}
 \item{rforest}{Optional. A random forest created with \code{\link[ranger:ranger]{ranger::ranger()}}.
 If a random forest is not supplied, \code{random_forest} will be used.}
 
-\item{project_dir}{Optional. A folder in which to save helper files and a CSV
-file with the results. If no project directory is supplied. Helper files
-will be saved to tempdir() > comparison but deleted before the function
-terminates. A CSV file with the results will not be saved, but a data frame
-of the results will be returned.}
-
 \item{reference_scores}{Optional. A list of same writer and different writer
 similarity scores used for reference to calculate a score-based likelihood
 ratio. If reference scores are not supplied, \code{ref_scores} will be used only