5 files changed, 1 insertions, 5 deletions
diff --git a/testsuite/tests/rebindable/rebindable2.hs b/testsuite/tests/rebindable/rebindable2.hs
index 3858d2b9f3..5729c4ef34 100644
--- a/testsuite/tests/rebindable/rebindable2.hs
+++ b/testsuite/tests/rebindable/rebindable2.hs
@@ -1,5 +1,4 @@
 {-# LANGUAGE RebindableSyntax, NPlusKPatterns #-}
-{-# OPTIONS -Wno-error=missing-monadfail-instances #-}
 
 module Main where
         {
diff --git a/testsuite/tests/rebindable/rebindable3.hs b/testsuite/tests/rebindable/rebindable3.hs
index c5fd3b255b..0434c1d0fd 100644
--- a/testsuite/tests/rebindable/rebindable3.hs
+++ b/testsuite/tests/rebindable/rebindable3.hs
@@ -1,5 +1,4 @@
 {-# LANGUAGE RebindableSyntax, NPlusKPatterns #-}
-{-# OPTIONS -Wno-error=missing-monadfail-instances #-}
 
 module Main where
         {
diff --git a/testsuite/tests/rebindable/rebindable4.hs b/testsuite/tests/rebindable/rebindable4.hs
index 26adc87e21..f657683a08 100644
--- a/testsuite/tests/rebindable/rebindable4.hs
+++ b/testsuite/tests/rebindable/rebindable4.hs
@@ -1,5 +1,4 @@
 {-# LANGUAGE RebindableSyntax, NPlusKPatterns #-}
-{-# OPTIONS -Wno-error=missing-monadfail-instances #-}
 
 module Main where
         {
diff --git a/testsuite/tests/rebindable/rebindable5.hs b/testsuite/tests/rebindable/rebindable5.hs
index 2ce735b670..3120ea1a90 100644
--- a/testsuite/tests/rebindable/rebindable5.hs
+++ b/testsuite/tests/rebindable/rebindable5.hs
@@ -1,6 +1,5 @@
 {-# LANGUAGE RebindableSyntax, NPlusKPatterns, FlexibleInstances,
              MultiParamTypeClasses, FunctionalDependencies #-}
-{-# OPTIONS -Wno-error=missing-monadfail-instances #-}
 
 module Main where
         {
diff --git a/testsuite/tests/typecheck/should_compile/all.T b/testsuite/tests/typecheck/should_compile/all.T
index 9cd7c732ca..968aeb1aa7 100644
--- a/testsuite/tests/typecheck/should_compile/all.T
+++ b/testsuite/tests/typecheck/should_compile/all.T
@@ -663,7 +663,7 @@ test('T15473', normal, compile_fail, [''])
 test('T15499', normal, compile, [''])
 test('T15586', normal, compile, [''])
 test('T15368', normal, compile, ['-fdefer-type-errors'])
-test('T15645', normal, compile, ['-Wwarn=missing-monadfail-instances'])
+test('T15645', normal, compile, [''])
 test('T15646',
      compile_timeout_multiplier(0.01),
      # 0.01 may seem tiny (1 is timeout after 300s, so this is 3 seconds),