Remove unused imports
diff --git a/NAMESPACE b/NAMESPACE
index 448b9ce..aa88438 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -1,8 +1,6 @@
 # Generated by roxygen2: do not edit by hand
 
 export(posterdown_pdf)
-import(devtools)
-import(dplyr)
 import(ggplot2)
 import(knitr)
 import(rmarkdown)
diff --git a/R/posterdown.R b/R/posterdown.R
index 3942f6e..fd1e995 100644
--- a/R/posterdown.R
+++ b/R/posterdown.R
@@ -9,8 +9,6 @@
 #' @docType package
 #' @name posterdown
 #' @import rmarkdown
-#' @import devtools
-#' @import dplyr
 #' @import ggplot2
 #' @import knitr
 NULL