diff --git a/R/data.R b/R/data.R
index dee9d66a..fbbc0077 100755
--- a/R/data.R
+++ b/R/data.R
@@ -28,11 +28,6 @@
 #'
 "se_mini"
 
-#' SummarizedExperiment mini for vignette
-#'
-#'
-"test_deseq2_df"
-
 #' Needed for vignette vignette_manuscript_signature_tsne
 #'
 #'
diff --git a/data/test_deseq2_df.rda b/data/test_deseq2_df.rda
deleted file mode 100644
index d1a474e7..00000000
Binary files a/data/test_deseq2_df.rda and /dev/null differ
diff --git a/man/test_deseq2_df.Rd b/man/test_deseq2_df.Rd
deleted file mode 100644
index 2869ebb3..00000000
--- a/man/test_deseq2_df.Rd
+++ /dev/null
@@ -1,16 +0,0 @@
-% Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/data.R
-\docType{data}
-\name{test_deseq2_df}
-\alias{test_deseq2_df}
-\title{SummarizedExperiment mini for vignette}
-\format{
-An object of class \code{DESeqDataSet} with 9921 rows and 7 columns.
-}
-\usage{
-test_deseq2_df
-}
-\description{
-SummarizedExperiment mini for vignette
-}
-\keyword{datasets}
diff --git a/tests/testthat/test-bulk_methods.R b/tests/testthat/test-bulk_methods.R
index b7c16da6..6db6d34f 100755
--- a/tests/testthat/test-bulk_methods.R
+++ b/tests/testthat/test-bulk_methods.R
@@ -655,15 +655,23 @@ test_that("New method choice",{
 
 test_that("DESeq2 differential trancript abundance - no object",{
 
-	res_deseq2 =
-		test_deseq2_df |>
+  if (find.package("DESeq2", quiet = TRUE) |> length() |> equals(0)) {
+    if (!requireNamespace("BiocManager", quietly = TRUE))
+      install.packages("BiocManager", repos = "https://cloud.r-project.org")
+    BiocManager::install("DESeq2", ask = FALSE)
+  }
+  
+  test_deseq2_df = DESeq2::DESeqDataSet(se_mini,design=~condition)
+  colData(test_deseq2_df)$condition = factor(colData(test_deseq2_df)$condition)
+  
+  res_deseq2 =
+	  test_deseq2_df |> 
 		DESeq2::DESeq() |>
 		DESeq2::results()
 
 	res_tidybulk =
 		test_deseq2_df |>
 		tidybulk() |>
-		 identify_abundant(factor_of_interest = condition) |>
 		test_differential_abundance(~condition, method="DESeq2", action="get")
 
 
@@ -853,7 +861,6 @@ test_that("differential trancript abundance - random effects",{
 
 test_that("test prefix",{
 
-	library(DESeq2)
   library(stringr)
 
 	df = input_df |> tidybulk(a, b, c, ) |> identify_abundant(factor_of_interest = condition)