diff --git a/NAMESPACE b/NAMESPACE
index 0cb344b..158d9fc 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -108,12 +108,9 @@ importFrom(plyr,arrange)
 importFrom(plyr,compact)
 importFrom(plyr,ddply)
 importFrom(plyr,desc)
-importFrom(plyr,dlply)
 importFrom(plyr,is.discrete)
 importFrom(plyr,is.formula)
-importFrom(plyr,join)
 importFrom(plyr,ldply)
-importFrom(plyr,llply)
 importFrom(png,readPNG)
 importFrom(purrr,cross_df)
 importFrom(purrr,flatten)
diff --git a/R/ggmap-package.R b/R/ggmap-package.R
index 7b05f38..7e739e7 100644
--- a/R/ggmap-package.R
+++ b/R/ggmap-package.R
@@ -2,8 +2,8 @@
 #' @name ggmap
 #' @importFrom png readPNG
 #' @importFrom jpeg readJPEG
-#' @importFrom plyr arrange compact ddply desc dlply is.discrete is.formula join
-#'   ldply llply .
+#' @importFrom plyr arrange compact ddply desc is.discrete is.formula
+#'   ldply .
 #' @importFrom bitops bitOr bitShiftL bitShiftR bitAnd
 #' @importFrom grDevices as.raster extendrange gray rgb
 #' @importFrom stats time asOneSidedFormula