diff --git a/R/df_to_eaf.R b/R/df_to_eaf.R
index 0eec735..f67cb6b 100644
--- a/R/df_to_eaf.R
+++ b/R/df_to_eaf.R
@@ -20,6 +20,10 @@
 #'           output_file = 'test.eaf',
 #'           ref_file = 'test.wav')
 #'
+#' # Remove file in order to pass checks
+#'
+#' file.remove("test.eaf")
+#'
 #' @importFrom mime guess_type
 #' @importFrom stats na.omit
 #' @export
diff --git a/R/df_to_exb.r b/R/df_to_exb.r
index 99af38d..0574114 100644
--- a/R/df_to_exb.r
+++ b/R/df_to_exb.r
@@ -42,6 +42,10 @@
 #'           ud_meta = meta,
 #'           speaker_table = speaker_data)
 #'
+#' # Remove file in order to pass checks
+#'
+#' file.remove("beck.xml")
+#'
 #' @export
 
 df_to_exb <- function(df,
diff --git a/R/draw_sound.R b/R/draw_sound.R
index 1448c81..9d66075 100644
--- a/R/draw_sound.R
+++ b/R/draw_sound.R
@@ -69,7 +69,7 @@
 #' @return Oscilogram and spectrogram plot (and possibly TextGrid annotation).
 #'
 #' @examples
-#' \dontrun{
+#' \donttest{
 #' draw_sound(system.file("extdata", "test.wav", package = "phonfieldwork"))
 #'
 #' draw_sound(
diff --git a/R/draw_spectrogram.R b/R/draw_spectrogram.R
index 196c5d8..a36d17a 100644
--- a/R/draw_spectrogram.R
+++ b/R/draw_spectrogram.R
@@ -47,8 +47,10 @@
 #' columns. Optional columns are \code{colors} and \code{content}.
 #' @param formant_df dataframe with formants from \code{formant_to_df()} function
 #'
+#' @return Plot the comptued spectrogram
+#'
 #' @examples
-#' \dontrun{
+#' \donttest{
 #' draw_spectrogram(system.file("extdata", "test.wav",
 #'   package = "phonfieldwork"
 #' ))
diff --git a/R/get_sound_duration.R b/R/get_sound_duration.R
index 031fe05..6499a4b 100644
--- a/R/get_sound_duration.R
+++ b/R/get_sound_duration.R
@@ -6,6 +6,8 @@
 #'
 #' @param file_name a sound file
 #'
+#' @return Dataframe with two columns: file name and duration
+#'
 #' @examples
 #' get_sound_duration(
 #'   system.file("extdata", "test.wav", package = "phonfieldwork")
diff --git a/R/read_from_folder.R b/R/read_from_folder.R
index 369a670..22f37d4 100644
--- a/R/read_from_folder.R
+++ b/R/read_from_folder.R
@@ -7,6 +7,8 @@
 #' @param path to a folder with multiple sound files.
 #' @param type should be one of the following: "duration", "audacity", "eaf", "exb", "flextext", "formant", "intensity", "picth", "srt", "textgrid"
 #'
+#' @return dataframe with contents of all files of a selected type
+#'
 #' @examples
 #'
 #' read_from_folder(system.file("extdata", package = "phonfieldwork"), "eaf")
diff --git a/man/df_to_eaf.Rd b/man/df_to_eaf.Rd
index 4e3389c..f5897ab 100644
--- a/man/df_to_eaf.Rd
+++ b/man/df_to_eaf.Rd
@@ -33,6 +33,10 @@ df_to_eaf(df = df,
           output_file = 'test.eaf',
           ref_file = 'test.wav')
 
+# Remove file in order to pass checks
+
+file.remove("test.eaf")
+
 }
 \author{
 Sergej Kudrjashov <xenomirant@gmail.com>
diff --git a/man/df_to_exb.Rd b/man/df_to_exb.Rd
index 3f9d510..9d4110e 100644
--- a/man/df_to_exb.Rd
+++ b/man/df_to_exb.Rd
@@ -65,6 +65,10 @@ df_to_exb(df = df,
           ud_meta = meta,
           speaker_table = speaker_data)
 
+# Remove file in order to pass checks
+
+file.remove("beck.xml")
+
 }
 \author{
 Valeria Buntiakova <valleriabun@gmail.com>
diff --git a/man/draw_sound.Rd b/man/draw_sound.Rd
index 5c63734..e7e2d73 100644
--- a/man/draw_sound.Rd
+++ b/man/draw_sound.Rd
@@ -138,7 +138,7 @@ Oscilogram and spectrogram plot (and possibly TextGrid annotation).
 Create oscilogram and spectrogram plot.
 }
 \examples{
-\dontrun{
+\donttest{
 draw_sound(system.file("extdata", "test.wav", package = "phonfieldwork"))
 
 draw_sound(
diff --git a/man/draw_spectrogram.Rd b/man/draw_spectrogram.Rd
index b5b2ae3..b112918 100644
--- a/man/draw_spectrogram.Rd
+++ b/man/draw_spectrogram.Rd
@@ -85,12 +85,15 @@ columns. Optional columns are \code{colors} and \code{content}.}
 
 \item{formant_df}{dataframe with formants from \code{formant_to_df()} function}
 }
+\value{
+Plot the comptued spectrogram
+}
 \description{
 This function was slightly changed from \code{phonTools::spectrogram()}.
 Argument description is copied from \code{phonTools::spectrogram()}.
 }
 \examples{
-\dontrun{
+\donttest{
 draw_spectrogram(system.file("extdata", "test.wav",
   package = "phonfieldwork"
 ))
diff --git a/man/get_sound_duration.Rd b/man/get_sound_duration.Rd
index 9f79d37..9b5cfa9 100644
--- a/man/get_sound_duration.Rd
+++ b/man/get_sound_duration.Rd
@@ -9,6 +9,9 @@ get_sound_duration(file_name)
 \arguments{
 \item{file_name}{a sound file}
 }
+\value{
+Dataframe with two columns: file name and duration
+}
 \description{
 Calculate sound(s) duration.
 }
diff --git a/man/read_from_folder.Rd b/man/read_from_folder.Rd
index 32581c1..6ef5a38 100644
--- a/man/read_from_folder.Rd
+++ b/man/read_from_folder.Rd
@@ -11,6 +11,9 @@ read_from_folder(path, type = "textgrid")
 
 \item{type}{should be one of the following: "duration", "audacity", "eaf", "exb", "flextext", "formant", "intensity", "picth", "srt", "textgrid"}
 }
+\value{
+dataframe with contents of all files of a selected type
+}
 \description{
 This function reads multiple files from the folder. The first argument is the path, the second argument is the type of files to read.
 }