diff --git a/R/UK.R b/R/UK.R
index 547f4da2..69cd5886 100644
--- a/R/UK.R
+++ b/R/UK.R
@@ -450,7 +450,8 @@ UK <- R6::R6Class("UK",
     #'     Section 2, "2. Estimated new hospital cases"
     #' @importFrom lubridate year month
     #' @importFrom readxl read_excel cell_limits
-    #' @importFrom dplyr mutate select %>% group_by summarise left_join as_tibble
+    #' @importFrom dplyr mutate select %>% group_by summarise left_join
+    #' @importFrom dplyr as_tibble
     #' @importFrom tidyr pivot_longer
     #' @param clean_data Cleaned UK covid-19 data
     #' @param nhs_data NHS region data
diff --git a/R/processing.R b/R/processing.R
index 23a0b2ad..75b63ce1 100644
--- a/R/processing.R
+++ b/R/processing.R
@@ -219,8 +219,8 @@ run_optional_processing_fns <- function(data, process_fns) {
 #' processing steps
 #' @concept utility
 #' @family processing
-#' @importFrom dplyr do group_by_at across ungroup select everything arrange all_of
-#' @importFrom dplyr rename
+#' @importFrom dplyr do group_by_at across ungroup select everything arrange
+#' @importFrom dplyr rename all_of
 #' @importFrom tidyr drop_na
 #' @importFrom rlang !!!
 process_internal <- function(clean_data, level, group_vars,
diff --git a/R/test-DataClass.R b/R/test-DataClass.R
index e6f7f2fd..3f4c3695 100644
--- a/R/test-DataClass.R
+++ b/R/test-DataClass.R
@@ -113,7 +113,7 @@ test_download <- function(DataClass_obj, download, snapshot_path) {
     )
     DataClass_obj$data$raw <- map(
       DataClass_obj$data$raw,
-      ~ .[, 1:min(100, ncol(.))]
+      ~ .[, seq_len(min(100, ncol(.)))]
     )
     saveRDS(DataClass_obj$data$raw, snapshot_path)
   } else {
diff --git a/R/utils.R b/R/utils.R
index 6f845b2e..1b8bc619 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -304,6 +304,6 @@ make_new_data_source <- function(source, type = "subnational",
   make_github_workflow(source)
 }
 
-# Hack to work around the fact that `where()` is not exported 
+# Hack to work around the fact that `where()` is not exported
 # (https://github.com/r-lib/tidyselect/issues/201)
 utils::globalVariables("where")
diff --git a/data-raw/vietnam_codes.R b/data-raw/vietnam_codes.R
index bdba31fc..baec3f9f 100644
--- a/data-raw/vietnam_codes.R
+++ b/data-raw/vietnam_codes.R
@@ -14,7 +14,7 @@ library(tibble)
 vn_iso <- "https://en.wikipedia.org/wiki/ISO_3166-2:VN"
 
 level_1_region_df <- read_html(vn_iso) %>%
-  html_element(css="table.wikitable:nth-child(11)") %>%
+  html_element(css = "table.wikitable:nth-child(11)") %>%
   html_table()
 
 vietnam_codes <- data.frame(
@@ -25,7 +25,7 @@ vietnam_codes <- data.frame(
   mutate(
     level_1_region = stri_trans_general(level_1_region, "latin-ascii"),
     level_1_region = stri_trim_both(level_1_region),
-    level_1_region = str_replace_all(level_1_region, '\\(.*\\)|-| ', ''),
+    level_1_region = str_replace_all(level_1_region, "\\(.*\\)|-| ", ""),
     level_1_region = str_to_title(level_1_region)
   )