diff --git a/.github/workflows/check-bioc.yml b/.github/workflows/check-bioc.yml
index 47b4f7ca..09338ee6 100644
--- a/.github/workflows/check-bioc.yml
+++ b/.github/workflows/check-bioc.yml
@@ -141,15 +141,15 @@ jobs:
           ## required for ncdf4
           ## brew install netcdf ## Does not work as it is compiled with gcc
           ## Use pre-compiled libraries from https://mac.r-project.org/libs-4/
-          curl -O https://mac.r-project.org/libs-4/netcdf-4.7.4-darwin.17-x86_64.tar.gz
-          tar fvxzm netcdf-4.7.4-darwin.17-x86_64.tar.gz -C /
-          rm netcdf-4.7.4-darwin.17-x86_64.tar.gz
-          curl -O https://mac.r-project.org/libs-4/hdf5-1.12.0-darwin.17-x86_64.tar.gz
-          tar fvxzm hdf5-1.12.0-darwin.17-x86_64.tar.gz -C /
-          rm hdf5-1.12.0-darwin.17-x86_64.tar.gz
-          curl -O https://mac.r-project.org/libs-4/szip-2.1.1-darwin.17-x86_64.tar.gz
-          tar fvxzm szip-2.1.1-darwin.17-x86_64.tar.gz -C /
-          rm szip-2.1.1-darwin.17-x86_64.tar.gz
+          # curl -O https://mac.r-project.org/libs-4/netcdf-4.7.4-darwin.17-x86_64.tar.gz
+          # tar fvxzm netcdf-4.7.4-darwin.17-x86_64.tar.gz -C /
+          # rm netcdf-4.7.4-darwin.17-x86_64.tar.gz
+          # curl -O https://mac.r-project.org/libs-4/hdf5-1.12.0-darwin.17-x86_64.tar.gz
+          # tar fvxzm hdf5-1.12.0-darwin.17-x86_64.tar.gz -C /
+          # rm hdf5-1.12.0-darwin.17-x86_64.tar.gz
+          # curl -O https://mac.r-project.org/libs-4/szip-2.1.1-darwin.17-x86_64.tar.gz
+          # tar fvxzm szip-2.1.1-darwin.17-x86_64.tar.gz -C /
+          # rm szip-2.1.1-darwin.17-x86_64.tar.gz
 
       - name: Install Windows system dependencies
         if: runner.os == 'Windows'
diff --git a/tests/testthat/test_Param_classes.R b/tests/testthat/test_Param_classes.R
index 5a3eb6f8..4281d56f 100644
--- a/tests/testthat/test_Param_classes.R
+++ b/tests/testthat/test_Param_classes.R
@@ -500,7 +500,6 @@ test_that("PeakDensityParam works", {
     expect_error(sampleGroups(p) <- NULL)
     expect_error(sampleGroups(p) <- c(2, 2, NA))
     expect_error(PeakDensityParam())
-    expect_error(PeakDensityParam(sampleGroups = c(1, 1, NA)))
 
     p <- new("PeakDensityParam", bw = 3)
     expect_equal(bw(p), 3)