diff --git a/R/utils_files.R b/R/utils_files.R
index 9e4f10ee..bb46408f 100644
--- a/R/utils_files.R
+++ b/R/utils_files.R
@@ -32,6 +32,7 @@ file_info_runtime <- function(x) {
   if_any(
     !is.null(file_info) &&
       !is.null(file_info_exist) &&
+      (length(x) > 0L) &&
       all(counter_exist_names(file_info_exist, x)),
     .subset2(file_info, x), # nolint
     file_info(x)
diff --git a/tests/testthat/test-utils_callr.R b/tests/testthat/test-utils_callr.R
index 1e53f6c5..c0fd6534 100644
--- a/tests/testthat/test-utils_callr.R
+++ b/tests/testthat/test-utils_callr.R
@@ -83,10 +83,22 @@ tar_test("file path caches are correct", {
   )
   info <- tar_read(file_info)
   expect_true(is.list(info))
-  expect_true(all(c("size", "mtime_numeric") %in% names(info)))
-  names <- sort(path_objects(path_store_default(), c("x", "y")))
-  for (field in c("size", "mtime_numeric")) {
-    expect_equal(sort(names(info[[field]])), names)
-    expect_false(anyNA(info[[field]]))
+  expect_equal(
+    sort(names(info)),
+    sort(file.path(path_objects_dir(path_store_default()), c("x", "y")))
+  )
+  for (item in info) {
+    expect_equal(
+      sort(names(item)),
+      sort(c("size", "mtime_numeric", "trust_timestamps"))
+    )
+    for (field in c("size", "mtime_numeric")) {
+      expect_false(anyNA(item[[field]]))
+      expect_true(is.numeric(item[[field]]))
+      expect_equal(length(item[[field]]), 1L)
+    }
+    expect_true(
+      isTRUE(item$trust_timestamps) || isFALSE(item$trust_timestamps)
+    )
   }
 })
diff --git a/tests/testthat/test-utils_files.R b/tests/testthat/test-utils_files.R
index 2c0e9ba9..435361b6 100644
--- a/tests/testthat/test-utils_files.R
+++ b/tests/testthat/test-utils_files.R
@@ -143,22 +143,6 @@ tar_test("file_info_runtime() with no files registered", {
   expect_true(is.data.frame(out))
 })
 
-tar_test("file_info_runtime_select()", {
-  files <- unlist(replicate(6, tempfile()))
-  file.create(files)
-  on.exit(unlink(files))
-  info <- list(
-    mtime_numeric = seq_along(files),
-    size = file.size(files) + seq_along(files)
-  )
-  names(info$mtime_numeric) <- files
-  names(info$size) <- files
-  index <- c(2L, 3L, 5L)
-  out <- file_info_runtime_select(info, files[index])
-  expect_equal(out$mtime_numeric, info$mtime_numeric[index])
-  expect_equal(out$size, info$size[index])
-})
-
 tar_test("file_move() on files", {
   file.create("x")
   dir.create("z")