diff --git a/tests/checks/check-all-fish-files.fish b/tests/checks/check-all-fish-files.fish
index 018c3d43c..b6531b06f 100644
--- a/tests/checks/check-all-fish-files.fish
+++ b/tests/checks/check-all-fish-files.fish
@@ -1,4 +1,6 @@
 #RUN: %fish -C 'set -l fish %fish' %s
+# disable on CI ASAN because it's suuuper slow
+#REQUIRES: test -z "$FISH_CI_SAN"
 # Test ALL THE FISH FILES
 # in share/, that is - the tests are exempt because they contain syntax errors, on purpose
 
diff --git a/tests/checks/check-completions.fish b/tests/checks/check-completions.fish
index bffa5e344..27ce6fe6f 100644
--- a/tests/checks/check-completions.fish
+++ b/tests/checks/check-completions.fish
@@ -1,4 +1,6 @@
 #RUN: %fish -C 'set -l fish %fish' %s
+# disable on CI ASAN because it's suuuper slow
+#REQUIRES: test -z "$FISH_CI_SAN"
 # Test all completions where the command exists
 
 # No output is good output