diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 2553f5419..fc17f72f6 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -32,8 +32,6 @@
 #
 # Typical public, private, and release configurations are provided in the variables below.
 
-on: [push, pull_request]
-
 name: R-CMD-check
 
 # Set public and private repositories (i.e., USER/PKG). Leave blank to autodetect.
diff --git a/DESCRIPTION b/DESCRIPTION
index a1b7492de..d25874ad2 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -61,7 +61,7 @@ URL: https://statnet.org
 VignetteBuilder: knitr
 RoxygenNote: 7.3.2.9000
 Roxygen: list(markdown = TRUE)
-Config/testthat/parallel: true
+Config/testthat/parallel: false
 Config/testthat/edition: 3
 Config/build/clean-inst-doc: FALSE
 Encoding: UTF-8