diff --git a/DESCRIPTION b/DESCRIPTION
index 86dfa54d..9179f1d8 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -88,5 +88,4 @@ Config/testthat/parallel: true
 Roxygen: list(markdown = TRUE)
 Config/Needs/check: stan-dev/cmdstanr
 Config/Needs/website: easystats/easystatstemplate
-LazyData: true
 Remotes: vincentarelbundock/marginaleffects
diff --git a/R/coffee_data.R b/R/data.R
similarity index 56%
rename from R/coffee_data.R
rename to R/data.R
index a8ef7d92..23806ea7 100644
--- a/R/coffee_data.R
+++ b/R/data.R
@@ -1,3 +1,25 @@
+#' @docType data
+#' @title Sample data set
+#' @name fish
+#' @keywords data
+#'
+#' @description A sample data set, used in tests and some examples. Useful for
+#' demonstrating count models (with or without zero-inflation component). It
+#' consists of nine variables from 250 observations.
+NULL
+
+
+#' @docType data
+#' @title Sample dataset from the EFC Survey
+#' @name efc
+#' @keywords data
+#'
+#' @description Selected variables from the EUROFAMCARE survey. Useful when
+#' testing on "real-life" data sets, including random missing values. This
+#' data set also has value and variable label attributes.
+NULL
+
+
 #' @docType data
 #' @title Sample dataset from a course about analysis of factorial designs
 #' @name coffee_data
@@ -15,8 +37,4 @@
 #' - `coffee`: Group indicator, whether participant drank coffee or not
 #'   ("`coffee"` or `"control"`).
 #' - `alertness`: The participant's alertness score.
-#'
-#' @examples
-#' # Attach coffee-data
-#' data(coffee_data)
 NULL
diff --git a/R/efc.R b/R/efc.R
deleted file mode 100644
index 44b88683..00000000
--- a/R/efc.R
+++ /dev/null
@@ -1,20 +0,0 @@
-#' @docType data
-#' @title Sample dataset from the EUROFAMCARE project
-#' @name efc
-#' @keywords data
-#'
-#' @description An SPSS sample data set, imported with the [`datawizard::data_read()`]
-#' function. Consists of 28 variables from 908 observations. The data set is part
-#' of the EUROFAMCARE project, a cross-national survey on informal caregiving in
-#' Europe.
-#'
-#' @examples
-#' # Attach EFC-data
-#' data(efc, package = "modelbased")
-#'
-#' # Show structure
-#' str(efc)
-#'
-#' # show first rows
-#' head(efc)
-NULL
diff --git a/R/fish.R b/R/fish.R
deleted file mode 100644
index fb1bb02a..00000000
--- a/R/fish.R
+++ /dev/null
@@ -1,9 +0,0 @@
-#' @docType data
-#' @title Sample data set
-#' @name fish
-#' @keywords data
-#'
-#' @description A sample data set, used in tests and some examples. Useful for
-#' demonstrating count models (with or without zero-inflation component). It
-#' consists of nine variables from 250 observations.
-NULL
diff --git a/man/coffee_data.Rd b/man/coffee_data.Rd
index ff8bc932..4e4f483d 100644
--- a/man/coffee_data.Rd
+++ b/man/coffee_data.Rd
@@ -1,5 +1,5 @@
 % Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/coffee_data.R
+% Please edit documentation in R/data.R
 \docType{data}
 \name{coffee_data}
 \alias{coffee_data}
@@ -19,8 +19,4 @@ The data consists of five variables from 120 observations:
 \item \code{alertness}: The participant's alertness score.
 }
 }
-\examples{
-# Attach coffee-data
-data(coffee_data)
-}
 \keyword{data}
diff --git a/man/efc.Rd b/man/efc.Rd
index aeaedff0..69755add 100644
--- a/man/efc.Rd
+++ b/man/efc.Rd
@@ -1,23 +1,12 @@
 % Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/efc.R
+% Please edit documentation in R/data.R
 \docType{data}
 \name{efc}
 \alias{efc}
-\title{Sample dataset from the EUROFAMCARE project}
+\title{Sample dataset from the EFC Survey}
 \description{
-An SPSS sample data set, imported with the \code{\link[datawizard:data_read]{datawizard::data_read()}}
-function. Consists of 28 variables from 908 observations. The data set is part
-of the EUROFAMCARE project, a cross-national survey on informal caregiving in
-Europe.
-}
-\examples{
-# Attach EFC-data
-data(efc, package = "modelbased")
-
-# Show structure
-str(efc)
-
-# show first rows
-head(efc)
+Selected variables from the EUROFAMCARE survey. Useful when
+testing on "real-life" data sets, including random missing values. This
+data set also has value and variable label attributes.
 }
 \keyword{data}
diff --git a/man/fish.Rd b/man/fish.Rd
index 31405fa3..55ef2ca3 100644
--- a/man/fish.Rd
+++ b/man/fish.Rd
@@ -1,5 +1,5 @@
 % Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/fish.R
+% Please edit documentation in R/data.R
 \docType{data}
 \name{fish}
 \alias{fish}