diff --git a/assert/assertions.go b/assert/assertions.go
index ccbd525..8109ef2 100644
--- a/assert/assertions.go
+++ b/assert/assertions.go
@@ -1876,7 +1876,7 @@ var spewConfigStringerEnabled = spew.ConfigState{
 	MaxDepth:                10,
 }
 
-type tHelper interface {
+type tHelper = interface {
 	Helper()
 }
 
diff --git a/require/requirements.go b/require/requirements.go
index 91772df..6b7ce92 100644
--- a/require/requirements.go
+++ b/require/requirements.go
@@ -6,7 +6,7 @@ type TestingT interface {
 	FailNow()
 }
 
-type tHelper interface {
+type tHelper = interface {
 	Helper()
 }