diff --git a/src/test/isolation/expected/eval-plan-qual-trigger.out b/src/test/isolation/expected/eval-plan-qual-trigger.out
index ea3e7446a5..6d7bad42cc 100644
--- a/src/test/isolation/expected/eval-plan-qual-trigger.out
+++ b/src/test/isolation/expected/eval-plan-qual-trigger.out
@@ -1888,172 +1888,6 @@ key            data
 
 key-c          val-c-s1       
 
-starting permutation: s1_trig_rep_b_u s1_trig_rep_a_u s1_ins_a s1_ins_b s1_b_rc s2_b_rc s3_b_rc s1_upd_a_data s2_upd_a_data s3_upd_a_data s1_c s2_c s3_c s0_rep
-step s1_trig_rep_b_u: CREATE TRIGGER rep_b_u BEFORE UPDATE ON trigtest FOR EACH ROW EXECUTE PROCEDURE trig_report();
-step s1_trig_rep_a_u: CREATE TRIGGER rep_a_u AFTER UPDATE ON trigtest FOR EACH ROW EXECUTE PROCEDURE trig_report();
-step s1_ins_a: INSERT INTO trigtest VALUES ('key-a', 'val-a-s1') RETURNING *;
-key            data           
-
-key-a          val-a-s1       
-step s1_ins_b: INSERT INTO trigtest VALUES ('key-b', 'val-b-s1') RETURNING *;
-key            data           
-
-key-b          val-b-s1       
-step s1_b_rc: BEGIN ISOLATION LEVEL READ COMMITTED; SELECT 1;
-?column?       
-
-1              
-step s2_b_rc: BEGIN ISOLATION LEVEL READ COMMITTED; SELECT 1;
-?column?       
-
-1              
-step s3_b_rc: BEGIN ISOLATION LEVEL READ COMMITTED; SELECT 1;
-?column?       
-
-1              
-s1: NOTICE:  upd: text key-a = text key-a: t
-s1: NOTICE:  upk: text val-a-s1 <> text mismatch: t
-s1: NOTICE:  trigger: name rep_b_u; when: BEFORE; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1) new: (key-a,val-a-s1-ups1)
-s1: NOTICE:  upd: text key-b = text key-a: f
-s1: NOTICE:  trigger: name rep_a_u; when: AFTER; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1) new: (key-a,val-a-s1-ups1)
-step s1_upd_a_data: 
-    UPDATE trigtest SET data = data || '-ups1'
-    WHERE
-        noisy_oper('upd', key, '=', 'key-a') AND
-        noisy_oper('upk', data, '<>', 'mismatch')
-    RETURNING *;
-
-key            data           
-
-key-a          val-a-s1-ups1  
-s2: NOTICE:  upd: text key-a = text key-a: t
-s2: NOTICE:  upk: text val-a-s1 <> text mismatch: t
-step s2_upd_a_data: 
-    UPDATE trigtest SET data = data || '-ups2'
-    WHERE
-        noisy_oper('upd', key, '=', 'key-a') AND
-        noisy_oper('upk', data, '<>', 'mismatch')
-    RETURNING *;
- <waiting ...>
-s3: NOTICE:  upd: text key-a = text key-a: t
-s3: NOTICE:  upk: text val-a-s1 <> text mismatch: t
-step s3_upd_a_data: 
-    UPDATE trigtest SET data = data || '-ups3'
-    WHERE
-        noisy_oper('upd', key, '=', 'key-a') AND
-        noisy_oper('upk', data, '<>', 'mismatch')
-    RETURNING *;
- <waiting ...>
-step s1_c: COMMIT;
-s2: NOTICE:  upd: text key-a = text key-a: t
-s2: NOTICE:  upk: text val-a-s1-ups1 <> text mismatch: t
-s2: NOTICE:  trigger: name rep_b_u; when: BEFORE; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1-ups1) new: (key-a,val-a-s1-ups1-ups2)
-s2: NOTICE:  upd: text key-b = text key-a: f
-s2: NOTICE:  trigger: name rep_a_u; when: AFTER; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1-ups1) new: (key-a,val-a-s1-ups1-ups2)
-step s2_upd_a_data: <... completed>
-key            data           
-
-key-a          val-a-s1-ups1-ups2
-step s2_c: COMMIT;
-s3: NOTICE:  upd: text key-a = text key-a: t
-s3: NOTICE:  upk: text val-a-s1-ups1-ups2 <> text mismatch: t
-s3: NOTICE:  trigger: name rep_b_u; when: BEFORE; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1-ups1-ups2) new: (key-a,val-a-s1-ups1-ups2-ups3)
-s3: NOTICE:  upd: text key-b = text key-a: f
-s3: NOTICE:  trigger: name rep_a_u; when: AFTER; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1-ups1-ups2) new: (key-a,val-a-s1-ups1-ups2-ups3)
-step s3_upd_a_data: <... completed>
-key            data           
-
-key-a          val-a-s1-ups1-ups2-ups3
-step s3_c: COMMIT;
-step s0_rep: SELECT * FROM trigtest ORDER BY key, data
-key            data           
-
-key-a          val-a-s1-ups1-ups2-ups3
-key-b          val-b-s1       
-
-starting permutation: s1_trig_rep_b_u s1_trig_rep_a_u s1_ins_a s1_ins_b s1_b_rc s2_b_rc s3_b_rc s1_upd_a_data s2_upd_a_data s3_upd_a_data s1_c s2_r s3_c s0_rep
-step s1_trig_rep_b_u: CREATE TRIGGER rep_b_u BEFORE UPDATE ON trigtest FOR EACH ROW EXECUTE PROCEDURE trig_report();
-step s1_trig_rep_a_u: CREATE TRIGGER rep_a_u AFTER UPDATE ON trigtest FOR EACH ROW EXECUTE PROCEDURE trig_report();
-step s1_ins_a: INSERT INTO trigtest VALUES ('key-a', 'val-a-s1') RETURNING *;
-key            data           
-
-key-a          val-a-s1       
-step s1_ins_b: INSERT INTO trigtest VALUES ('key-b', 'val-b-s1') RETURNING *;
-key            data           
-
-key-b          val-b-s1       
-step s1_b_rc: BEGIN ISOLATION LEVEL READ COMMITTED; SELECT 1;
-?column?       
-
-1              
-step s2_b_rc: BEGIN ISOLATION LEVEL READ COMMITTED; SELECT 1;
-?column?       
-
-1              
-step s3_b_rc: BEGIN ISOLATION LEVEL READ COMMITTED; SELECT 1;
-?column?       
-
-1              
-s1: NOTICE:  upd: text key-a = text key-a: t
-s1: NOTICE:  upk: text val-a-s1 <> text mismatch: t
-s1: NOTICE:  trigger: name rep_b_u; when: BEFORE; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1) new: (key-a,val-a-s1-ups1)
-s1: NOTICE:  upd: text key-b = text key-a: f
-s1: NOTICE:  trigger: name rep_a_u; when: AFTER; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1) new: (key-a,val-a-s1-ups1)
-step s1_upd_a_data: 
-    UPDATE trigtest SET data = data || '-ups1'
-    WHERE
-        noisy_oper('upd', key, '=', 'key-a') AND
-        noisy_oper('upk', data, '<>', 'mismatch')
-    RETURNING *;
-
-key            data           
-
-key-a          val-a-s1-ups1  
-s2: NOTICE:  upd: text key-a = text key-a: t
-s2: NOTICE:  upk: text val-a-s1 <> text mismatch: t
-step s2_upd_a_data: 
-    UPDATE trigtest SET data = data || '-ups2'
-    WHERE
-        noisy_oper('upd', key, '=', 'key-a') AND
-        noisy_oper('upk', data, '<>', 'mismatch')
-    RETURNING *;
- <waiting ...>
-s3: NOTICE:  upd: text key-a = text key-a: t
-s3: NOTICE:  upk: text val-a-s1 <> text mismatch: t
-step s3_upd_a_data: 
-    UPDATE trigtest SET data = data || '-ups3'
-    WHERE
-        noisy_oper('upd', key, '=', 'key-a') AND
-        noisy_oper('upk', data, '<>', 'mismatch')
-    RETURNING *;
- <waiting ...>
-step s1_c: COMMIT;
-s2: NOTICE:  upd: text key-a = text key-a: t
-s2: NOTICE:  upk: text val-a-s1-ups1 <> text mismatch: t
-s2: NOTICE:  trigger: name rep_b_u; when: BEFORE; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1-ups1) new: (key-a,val-a-s1-ups1-ups2)
-s2: NOTICE:  upd: text key-b = text key-a: f
-s2: NOTICE:  trigger: name rep_a_u; when: AFTER; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1-ups1) new: (key-a,val-a-s1-ups1-ups2)
-step s2_upd_a_data: <... completed>
-key            data           
-
-key-a          val-a-s1-ups1-ups2
-step s2_r: ROLLBACK;
-s3: NOTICE:  upd: text key-a = text key-a: t
-s3: NOTICE:  upk: text val-a-s1-ups1 <> text mismatch: t
-s3: NOTICE:  trigger: name rep_b_u; when: BEFORE; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1-ups1) new: (key-a,val-a-s1-ups1-ups3)
-s3: NOTICE:  upd: text key-b = text key-a: f
-s3: NOTICE:  trigger: name rep_a_u; when: AFTER; lev: ROWs; op: UPDATE; old: (key-a,val-a-s1-ups1) new: (key-a,val-a-s1-ups1-ups3)
-step s3_upd_a_data: <... completed>
-key            data           
-
-key-a          val-a-s1-ups1-ups3
-step s3_c: COMMIT;
-step s0_rep: SELECT * FROM trigtest ORDER BY key, data
-key            data           
-
-key-a          val-a-s1-ups1-ups3
-key-b          val-b-s1       
-
 starting permutation: s1_trig_rep_b_i s1_trig_rep_b_d s1_trig_rep_b_u s1_trig_rep_a_i s1_trig_rep_a_d s1_trig_rep_a_u s1_ins_b s1_b_rc s2_b_rc s1_ins_a s1_upd_b_data s2_upd_b_data s1_del_b s1_upd_a_tob s1_c s2_c s0_rep
 step s1_trig_rep_b_i: CREATE TRIGGER rep_b_i BEFORE INSERT ON trigtest FOR EACH ROW EXECUTE PROCEDURE trig_report();
 step s1_trig_rep_b_d: CREATE TRIGGER rep_b_d BEFORE DELETE ON trigtest FOR EACH ROW EXECUTE PROCEDURE trig_report();
diff --git a/src/test/isolation/specs/eval-plan-qual-trigger.spec b/src/test/isolation/specs/eval-plan-qual-trigger.spec
index 142a22a4be..d3b55b7d40 100644
--- a/src/test/isolation/specs/eval-plan-qual-trigger.spec
+++ b/src/test/isolation/specs/eval-plan-qual-trigger.spec
@@ -358,17 +358,17 @@ permutation "s1_trig_rep_b_d" "s1_trig_rep_a_d"
     "s0_rep"
 
 ### Verify EPQ with more than two participants works
-# s1 updates, s2 updates, s3 updates, s1 commits, s2 EPQ, s2 commits, s3 EPQ
-permutation "s1_trig_rep_b_u" "s1_trig_rep_a_u"
-    "s1_ins_a" "s1_ins_b" "s1_b_rc" "s2_b_rc" "s3_b_rc"
-    "s1_upd_a_data" "s2_upd_a_data" "s3_upd_a_data" "s1_c" "s2_c" "s3_c"
-    "s0_rep"
-# s1 updates, s2 updates, s3 updates, s1 commits, s2 EPQ, s2 rolls back, s3 EPQ
-permutation "s1_trig_rep_b_u" "s1_trig_rep_a_u"
-    "s1_ins_a" "s1_ins_b" "s1_b_rc" "s2_b_rc" "s3_b_rc"
-    "s1_upd_a_data" "s2_upd_a_data" "s3_upd_a_data" "s1_c" "s2_r" "s3_c"
-    "s0_rep"
-## XXX: Disable test, there is some potential for instability here that's not yet fully understood
+## XXX: Disable tests, there is some potential for instability here that's not yet fully understood
+## s1 updates, s2 updates, s3 updates, s1 commits, s2 EPQ, s2 commits, s3 EPQ
+#permutation "s1_trig_rep_b_u" "s1_trig_rep_a_u"
+#    "s1_ins_a" "s1_ins_b" "s1_b_rc" "s2_b_rc" "s3_b_rc"
+#    "s1_upd_a_data" "s2_upd_a_data" "s3_upd_a_data" "s1_c" "s2_c" "s3_c"
+#    "s0_rep"
+## s1 updates, s2 updates, s3 updates, s1 commits, s2 EPQ, s2 rolls back, s3 EPQ
+#permutation "s1_trig_rep_b_u" "s1_trig_rep_a_u"
+#    "s1_ins_a" "s1_ins_b" "s1_b_rc" "s2_b_rc" "s3_b_rc"
+#    "s1_upd_a_data" "s2_upd_a_data" "s3_upd_a_data" "s1_c" "s2_r" "s3_c"
+#    "s0_rep"
 ## s1 updates, s3 updates, s2 upserts, s1 updates, s1 commits, s3 EPQ, s3 deletes, s3 commits, s2 inserts without EPQ recheck
 #permutation "s1_trig_rep_b_i" "s1_trig_rep_b_d" "s1_trig_rep_b_u" "s1_trig_rep_a_i" "s1_trig_rep_a_d" "s1_trig_rep_a_u"
 #    "s1_ins_a" "s1_b_rc" "s2_b_rc" "s3_b_rc"