diff --git a/.Rbuildignore b/.Rbuildignore
index a2de65c..6391eb5 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -7,8 +7,6 @@ ClinicoPath.Rproj
 build
 .Rbuildignore
 .gitignore
-^data/
-data.R
 jamovi
 ^.*\.jmo
 
diff --git a/NAMESPACE b/NAMESPACE
index 3de77c4..f4fe253 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -10,7 +10,6 @@ export(tableone)
 export(vartree)
 export(venn)
 import(ggplot2)
-import(ggvenn)
 import(jmvcore)
 importFrom(R6,R6Class)
 importFrom(jmvcore,toNumeric)
diff --git a/R/data.R b/R/data.R
index 8f8edb3..7f58773 100644
--- a/R/data.R
+++ b/R/data.R
@@ -4,10 +4,3 @@
 #' @usage data(histopathology)
 #' @format A data frame
 "histopathology"
-
-#' @title rocdata
-#'
-#' @description Example data for ROC analysis
-#' @usage data(rocdata)
-#' @format A data frame
-"rocdata"
diff --git a/R/venn.b.R b/R/venn.b.R
index 71859a9..764348f 100644
--- a/R/venn.b.R
+++ b/R/venn.b.R
@@ -5,7 +5,7 @@
 #'
 #' @importFrom R6 R6Class
 #' @import jmvcore
-#' @import ggvenn
+#'
 
 
 vennClass <- if (requireNamespace('jmvcore'))
diff --git a/data/histopathology.rda b/data/histopathology.rda
new file mode 100644
index 0000000..08da763
Binary files /dev/null and b/data/histopathology.rda differ
diff --git a/man/histopathology.Rd b/man/histopathology.Rd
new file mode 100644
index 0000000..a2d16e1
--- /dev/null
+++ b/man/histopathology.Rd
@@ -0,0 +1,16 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/data.R
+\docType{data}
+\name{histopathology}
+\alias{histopathology}
+\title{histopathology}
+\format{
+A data frame
+}
+\usage{
+data(histopathology)
+}
+\description{
+Fake histopathology research data.
+}
+\keyword{datasets}