diff --git a/NAMESPACE b/NAMESPACE
index 838d16b..2a70463 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -2,12 +2,21 @@
 
 export(document_universe)
 export(is_online)
+importFrom(cli,cli_abort)
+importFrom(cli,cli_warn)
+importFrom(curl,curl_fetch_memory)
+importFrom(curl,new_handle)
 importFrom(dplyr,arrange)
+importFrom(dplyr,case_when)
 importFrom(dplyr,filter)
+importFrom(dplyr,full_join)
 importFrom(dplyr,mutate)
 importFrom(dplyr,select)
 importFrom(glue,glue)
 importFrom(rlang,.data)
+importFrom(rlang,is_attached)
 importFrom(rlang,set_names)
 importFrom(rlang,warn)
 importFrom(tibble,as_tibble)
+importFrom(utils,hsearch_db)
+importFrom(utils,isS3method)
diff --git a/R/document_universe.R b/R/document_universe.R
index e508e0e..5cf55f0 100644
--- a/R/document_universe.R
+++ b/R/document_universe.R
@@ -15,20 +15,20 @@ document_universe_impl <- function(x, url_template = NULL) {
     }
     if (length(url_template) > 2L) {
       longer <- length(url_template)
-      cli::cli_abort("`url_template` must be of length 1 or 2, not {longer}.")
+      cli_abort("`url_template` must be of length 1 or 2, not {longer}.")
     }
 
 
     out <- mutate(
       out,
-      topic = dplyr::case_when(
+      topic = case_when(
         .data$type == "help" ~ to_href(
           .data$topic,
-          template = glue::glue(manual)
+          template = glue(manual)
         ),
         .data$type == "vignette" ~ to_href(
           .data$topic,
-          template = glue::glue(vignettes_template(vignettes))
+          template = glue(vignettes_template(vignettes))
         ),
         .default = .data$topic
       )
@@ -109,13 +109,13 @@ vignettes_template <- function(template) {
 #' document_universe(universe, template)
 document_universe <- function(x, url_template = NULL) {
   out <- document_universe_impl(x = x, url_template = url_template)
-  tibble::as_tibble(out)
+  as_tibble(out)
 }
 
 warn_unnattached <- function(x, doc = "package") {
   if (!all(attached(x))) {
     unattached <- x[!attached(x)] # nolint
-    cli::cli_warn(c(
+    cli_warn(c(
       "All packages should be attached to work properly.",
       x = "Not attached: {unattached}"
     ))
@@ -143,7 +143,7 @@ tidy_reference <- function(data, strip_s3class) {
 }
 
 attached <- function(x) {
-  unlist(lapply(glue("package:{x}"), rlang::is_attached))
+  unlist(lapply(glue("package:{x}"), is_attached))
 }
 
 abort_unavailable_package <- function(data, x) {
@@ -153,13 +153,13 @@ abort_unavailable_package <- function(data, x) {
   }
 
   is_unavailable <- x[!is_available] # nolint
-  cli::cli_abort("No pacakge matches '{is_unavailable}'.")
+  cli_abort("No pacakge matches '{is_unavailable}'.")
 }
 
 collapse_alias <- function(data, strip_s3class = FALSE) {
   out <- mutate(
     data,
-    alias = dplyr::case_when(
+    alias = case_when(
       !strip_s3class ~ may_strip_s3class(.data$alias, .f = identity),
       strip_s3class ~ may_strip_s3class(.data$alias, .f = s3_strip_class),
     ),
diff --git a/R/dverse-package.R b/R/dverse-package.R
index b1176ed..88c32fa 100644
--- a/R/dverse-package.R
+++ b/R/dverse-package.R
@@ -2,14 +2,23 @@
 "_PACKAGE"
 
 ## usethis namespace: start
+#' @importFrom cli cli_abort
+#' @importFrom cli cli_warn
+#' @importFrom curl curl_fetch_memory
+#' @importFrom curl new_handle
 #' @importFrom dplyr arrange
+#' @importFrom dplyr case_when
 #' @importFrom dplyr filter
+#' @importFrom dplyr full_join
 #' @importFrom dplyr mutate
 #' @importFrom dplyr select
 #' @importFrom glue glue
 #' @importFrom rlang .data
+#' @importFrom rlang is_attached
 #' @importFrom rlang set_names
 #' @importFrom rlang warn
 #' @importFrom tibble as_tibble
+#' @importFrom utils hsearch_db
+#' @importFrom utils isS3method
 ## usethis namespace: end
 NULL
diff --git a/R/is_online.R b/R/is_online.R
index 1e586fa..14465ed 100644
--- a/R/is_online.R
+++ b/R/is_online.R
@@ -21,7 +21,7 @@ is_online <- function(x) {
 
 is_online_once <- function(url) {
   tryCatch(error = function(e) FALSE, {
-    response <- curl::curl_fetch_memory(url, handle = curl::new_handle())
+    response <- curl_fetch_memory(url, handle = new_handle())
     identical(response$status_code, 200L)
   })
 }
diff --git a/R/s3_strip_class.R b/R/s3_strip_class.R
index e16a6b4..abcdd2b 100644
--- a/R/s3_strip_class.R
+++ b/R/s3_strip_class.R
@@ -16,7 +16,7 @@ s3_strip_class_impl <- function(x) {
 
   ok <- logical(nfc)
   for (j in 2:nfc) {
-    ok[[j]] <- utils::isS3method(
+    ok[[j]] <- isS3method(
       f = paste(f_c[1:(j - 1)], collapse = "."),
       class = paste(f_c[j:nfc], collapse = ".")
     )
@@ -31,5 +31,5 @@ s3_strip_class_impl <- function(x) {
 }
 
 is_s3_method <- function(x) {
-  ifelse(startsWith(x, "."), FALSE, utils::isS3method(x))
+  ifelse(startsWith(x, "."), FALSE, isS3method(x))
 }
diff --git a/R/search_documentation.R b/R/search_documentation.R
index d92ec77..d49e542 100644
--- a/R/search_documentation.R
+++ b/R/search_documentation.R
@@ -1,6 +1,6 @@
 search_documentation <- function() {
   docs <- suppressMessages(
-    Reduce(dplyr::full_join, utils::hsearch_db())
+    Reduce(full_join, hsearch_db())
   )
 
   out <- set_names(docs, tolower)