diff --git a/base/db/R/check.missing.files.R b/base/db/R/check.missing.files.R
index 617878496d..29ce044f68 100644
--- a/base/db/R/check.missing.files.R
+++ b/base/db/R/check.missing.files.R
@@ -8,7 +8,7 @@
 #'
 #' @author Betsy Cowdery, Michael Dietze, Ankur Desai, Tony Gardella, Luke Dramko
 
-check_missing_files <- function(result, outname, existing.input = NULL, existing.dbfile = NULL) {
+check_missing_files <- function(result, existing.input = NULL, existing.dbfile = NULL) {
   result_sizes <- purrr::map_dfr(
     result,
     ~ dplyr::mutate(
@@ -35,12 +35,12 @@ check_missing_files <- function(result, outname, existing.input = NULL, existing
   }
 
 
-  # Wrap in a list for consistant processing later
-  if (exists("existing.input") && is.data.frame(existing.input)) {
+  # Wrap in a list for consistent processing later
+  if (is.data.frame(existing.input)) {
     existing.input <- list(existing.input)
   }
 
-  if (exists("existing.dbfile") && is.data.frame(existing.dbfile)) {
+  if (is.data.frame(existing.dbfile)) {
     existing.dbfile <- list(existing.dbfile)
   }
   return(list(existing.input, existing.dbfile))
diff --git a/base/db/R/convert_input.R b/base/db/R/convert_input.R
index ed267440fb..a074a68938 100644
--- a/base/db/R/convert_input.R
+++ b/base/db/R/convert_input.R
@@ -583,7 +583,7 @@ convert_input <-
   #--------------------------------------------------------------------------------------------------#
   # Check if result has empty or missing files
 
-  checked.missing.files <- check_missing_files(result, outname, existing.input, existing.dbfile)
+  checked.missing.files <- check_missing_files(result, existing.input, existing.dbfile)
 
   # Unwrap parameters after performing checks for missing files
   existing.input <- checked.missing.files$existing.input
diff --git a/base/db/tests/testthat/test.check.missing.files.R b/base/db/tests/testthat/test.check.missing.files.R
index c0ad6794f6..bc61bb1ad4 100644
--- a/base/db/tests/testthat/test.check.missing.files.R
+++ b/base/db/tests/testthat/test.check.missing.files.R
@@ -5,7 +5,6 @@ test_that("`check_missing_files()` able to return correct missing files", {
 
     res <- check_missing_files(
         result = list(data.frame(file = c("A", "B"))),
-        outname = "test",
         existing.input = data.frame(),
         existing.dbfile = data.frame()
     )