diff --git a/.travis.yml b/.travis.yml
index a8a721a4..909d3fc6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,8 +17,6 @@ matrix:
       env: OPENPGP_NODE_JS='12' OPENPGPJSTEST='unit'
     - node_js: "10"
       env:  OPENPGP_NODE_JS='10' OPENPGPJSTEST='unit' LIGHTWEIGHT=1
-    - node_js: "9"
-      env: BROWSER='"firefox_26"' OPENPGPJSTEST='browserstack' COMPAT=1
     - node_js: "9"
       env: BROWSER='"firefox_61"' OPENPGPJSTEST='browserstack'
     - node_js: "10"
@@ -27,10 +25,6 @@ matrix:
       env: BROWSER='"chrome_49"' OPENPGPJSTEST='browserstack' COMPAT=1
     - node_js: "10"
       env: BROWSER='"chrome_68"' OPENPGPJSTEST='browserstack'
-    - node_js: "9"
-      env: BROWSER='"ie_11"' OPENPGPJSTEST='browserstack' COMPAT=1
-    - node_js: "9"
-      env: BROWSER='"edge_17"' OPENPGPJSTEST='browserstack'
     - node_js: "9"
       env: BROWSER='"safari_9_1"' OPENPGPJSTEST='browserstack' COMPAT=1
     - node_js: "9"