diff --git a/R/classes.R b/R/classes.R
index e33e9af3..fb402b3a 100644
--- a/R/classes.R
+++ b/R/classes.R
@@ -28,15 +28,9 @@
 #' rsi_data <- as.rsi(c(rep("S", 474), rep("I", 36), rep("R", 370)))
 #' rsi_data <- as.rsi(c(rep("S", 474), rep("I", 36), rep("R", 370), "A", "B", "C"))
 #' is.rsi(rsi_data)
+#' 
 #' plot(rsi_data)    # for percentages
 #' barplot(rsi_data) # for frequencies
-#' 
-#' \donttest{
-#' library(dplyr)
-#' tbl %>%
-#'   mutate_at(vars(ends_with("_rsi")), as.rsi)
-#' sapply(mic_data, is.rsi)
-#' }
 as.rsi <- function(x) {
   if (is.rsi(x)) {
     x
@@ -201,15 +195,9 @@ barplot.rsi <- function(height, ...) {
 #' @examples
 #' mic_data <- as.mic(c(">=32", "1.0", "1", "1.00", 8, "<=0.128", "8", "16", "16"))
 #' is.mic(mic_data)
+#' 
 #' plot(mic_data)
 #' barplot(mic_data)
-#' 
-#' \donttest{
-#' library(dplyr)
-#' tbl %>%
-#'   mutate_at(vars(ends_with("_mic")), as.mic)
-#' sapply(mic_data, is.mic)
-#' }
 as.mic <- function(x, na.rm = FALSE) {
   if (is.mic(x)) {
     x
diff --git a/man/as.mic.Rd b/man/as.mic.Rd
index db7bbe9c..4dc1a8cd 100644
--- a/man/as.mic.Rd
+++ b/man/as.mic.Rd
@@ -23,13 +23,7 @@ This transforms a vector to a new class\code{mic}, which is an ordered factor wi
 \examples{
 mic_data <- as.mic(c(">=32", "1.0", "1", "1.00", 8, "<=0.128", "8", "16", "16"))
 is.mic(mic_data)
+
 plot(mic_data)
 barplot(mic_data)
-
-\donttest{
-library(dplyr)
-tbl \%>\%
-  mutate_at(vars(ends_with("_mic")), as.mic)
-sapply(mic_data, is.mic)
-}
 }
diff --git a/man/as.rsi.Rd b/man/as.rsi.Rd
index 01461007..952ecef4 100644
--- a/man/as.rsi.Rd
+++ b/man/as.rsi.Rd
@@ -22,13 +22,7 @@ This transforms a vector to a new class \code{rsi}, which is an ordered factor w
 rsi_data <- as.rsi(c(rep("S", 474), rep("I", 36), rep("R", 370)))
 rsi_data <- as.rsi(c(rep("S", 474), rep("I", 36), rep("R", 370), "A", "B", "C"))
 is.rsi(rsi_data)
+
 plot(rsi_data)    # for percentages
 barplot(rsi_data) # for frequencies
-
-\donttest{
-library(dplyr)
-tbl \%>\%
-  mutate_at(vars(ends_with("_rsi")), as.rsi)
-sapply(mic_data, is.rsi)
-}
 }