diff --git a/NAMESPACE b/NAMESPACE
index 0cb344b..480ca5d 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -112,7 +112,6 @@ 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)
diff --git a/R/get_cloudmademap.R b/R/get_cloudmademap.R
index 8c6e6ed..1e3d2f7 100644
--- a/R/get_cloudmademap.R
+++ b/R/get_cloudmademap.R
@@ -172,8 +172,8 @@ get_cloudmademap <- function(
       top = lonlat_upperleft$lat
     )
   }
-  tileBboxes <- ldply(split(tilesNeeded,1:nrow(tilesNeeded)),
-    function(df) bboxOfTile(as.numeric(df)))
+  tileBboxes <- bind_rows(lapply(split(tilesNeeded,1:nrow(tilesNeeded)),
+    function(df) bboxOfTile(as.numeric(df))))
   mbbox <- c(
     left = min(tileBboxes$left),
     bottom = min(tileBboxes$bottom),
diff --git a/R/get_stamenmap.R b/R/get_stamenmap.R
index e125829..3022bf1 100644
--- a/R/get_stamenmap.R
+++ b/R/get_stamenmap.R
@@ -558,7 +558,7 @@ retry_stamen_map_download <- function() {
 #   ll.lon <- NULL; rm(ll.lon);
 #
 #   # determine bounding box
-#   bbs <- ldply(tiles, function(x) attr(x, "bb"))
+#   bbs <- bind_rows(lapply(tiles, function(x) attr(x, "bb")))
 #
 #   bigbb <- data.frame(
 #     ll.lat = min(bbs$ll.lat),
diff --git a/R/ggmap-package.R b/R/ggmap-package.R
index 7b05f38..151fc4e 100644
--- a/R/ggmap-package.R
+++ b/R/ggmap-package.R
@@ -3,7 +3,7 @@
 #' @importFrom png readPNG
 #' @importFrom jpeg readJPEG
 #' @importFrom plyr arrange compact ddply desc dlply is.discrete is.formula join
-#'   ldply llply .
+#'   llply .
 #' @importFrom bitops bitOr bitShiftL bitShiftR bitAnd
 #' @importFrom grDevices as.raster extendrange gray rgb
 #' @importFrom stats time asOneSidedFormula