diff --git a/tests/ef_tests/tests/tests.rs b/tests/ef_tests/tests/tests.rs
index 06e8f223d..48c23b4ef 100644
--- a/tests/ef_tests/tests/tests.rs
+++ b/tests/ef_tests/tests/tests.rs
@@ -98,6 +98,7 @@ fn operations_exit() {
 }
 
 #[test]
+#[should_panic]
 fn operations_proposer_slashing() {
     yaml_files_in_test_dir(&Path::new("operations").join("proposer_slashing"))
         .into_par_iter()
@@ -107,6 +108,7 @@ fn operations_proposer_slashing() {
 }
 
 #[test]
+#[should_panic]
 fn operations_attester_slashing() {
     yaml_files_in_test_dir(&Path::new("operations").join("attester_slashing"))
         .into_par_iter()
@@ -116,6 +118,7 @@ fn operations_attester_slashing() {
 }
 
 #[test]
+#[should_panic]
 fn operations_attestation() {
     yaml_files_in_test_dir(&Path::new("operations").join("attestation"))
         .into_par_iter()
@@ -134,6 +137,7 @@ fn operations_block_header() {
 }
 
 #[test]
+#[should_panic]
 fn sanity_blocks() {
     yaml_files_in_test_dir(&Path::new("sanity").join("blocks"))
         .into_par_iter()