diff --git a/NAMESPACE b/NAMESPACE
index 28081ee..6490181 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -61,7 +61,6 @@ export(v_specs_player)
 export(v_specs_tooltip)
 export(v_sunburst)
 export(v_theme)
-export(v_theme_builtin)
 export(v_treemap)
 export(v_venn)
 export(v_waterfall)
diff --git a/R/theme.R b/R/theme.R
index d82bf23..a2884bc 100644
--- a/R/theme.R
+++ b/R/theme.R
@@ -124,7 +124,7 @@ v_theme <- function(vc,
 #' @param name Name of the theme to use, see [available themes online](https://www.visactor.io/vchart/guide/tutorial_docs/Theme/Theme_Extension).
 #'
 #' @return A [vchart()] `htmlwidget` object.
-#' @export
+#' @noRd
 #'
 #' @example examples/theme_builtin.R
 v_theme_builtin <- function(vc, name) {
diff --git a/examples/vmap.R b/examples/vmap.R
index 2de84b4..fa8cae5 100644
--- a/examples/vmap.R
+++ b/examples/vmap.R
@@ -24,7 +24,9 @@ if (rlang::is_installed(c("sf", "geojsonio"))) {
       )
     ) %>% 
     v_specs_legend(
-      orient = "bottom"
+      orient = "bottom",
+      type = "color",
+      field = "fill"
     )
   
   # Map discrete data
diff --git a/man/v_theme_builtin.Rd b/man/v_theme_builtin.Rd
deleted file mode 100644
index e5b1eb4..0000000
--- a/man/v_theme_builtin.Rd
+++ /dev/null
@@ -1,40 +0,0 @@
-% Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/theme.R
-\name{v_theme_builtin}
-\alias{v_theme_builtin}
-\title{Builtin themes for Charts}
-\usage{
-v_theme_builtin(vc, name)
-}
-\arguments{
-\item{vc}{An htmlwidget created with \code{\link[=vchart]{vchart()}}.}
-
-\item{name}{Name of the theme to use, see \href{https://www.visactor.io/vchart/guide/tutorial_docs/Theme/Theme_Extension}{available themes online}.}
-}
-\value{
-A \code{\link[=vchart]{vchart()}} \code{htmlwidget} object.
-}
-\description{
-Builtin themes for Charts
-}
-\examples{
-
-library(vchartr)
-
-vchart(top_generation) \%>\%
-  v_bar(aes(country, electricity_generation)) \%>\%
-  v_theme_builtin("dark")
-
-vchart(top_generation) \%>\%
-  v_bar(aes(country, electricity_generation)) \%>\%
-  v_theme_builtin("vScreenVolcanoBlue")
-
-vchart(top_generation) \%>\%
-  v_bar(aes(country, electricity_generation)) \%>\%
-  v_theme_builtin("vScreenClean")
-
-vchart(top_generation) \%>\%
-  v_bar(aes(country, electricity_generation)) \%>\%
-  v_theme_builtin("chartHubLight")
-
-}
diff --git a/man/vmap.Rd b/man/vmap.Rd
index e6d9a87..76e0a5d 100644
--- a/man/vmap.Rd
+++ b/man/vmap.Rd
@@ -70,7 +70,9 @@ if (rlang::is_installed(c("sf", "geojsonio"))) {
       )
     ) \%>\% 
     v_specs_legend(
-      orient = "bottom"
+      orient = "bottom",
+      type = "color",
+      field = "fill"
     )
   
   # Map discrete data