helper: Remove unused `ErrUnimplementedf()` function

Remove the unused `ErrUnimplementedf()` error helper function.

2 files changed, 0 insertions, 11 deletions

diff --git a/internal/helper/error.go b/internal/helper/error.go
index ee159314d..cb9bf6ab3 100644
--- a/internal/helper/error.go
+++ b/internal/helper/error.go
@@ -93,12 +93,6 @@ func ErrUnknownf(format string, a ...interface{}) error {
 	return formatError(codes.Unknown, format, a...)
 }
 
-// ErrUnimplementedf wraps a formatted error with codes.Unimplemented, unless the formatted error is a wrapped
-// gRPC error.
-func ErrUnimplementedf(format string, a ...interface{}) error {
-	return formatError(codes.Unimplemented, format, a...)
-}
-
 // ErrUnauthenticatedf wraps a formatted error with codes.Unauthenticated, unless the formatted error is a wrapped
 // gRPC error.
 func ErrUnauthenticatedf(format string, a ...interface{}) error {
diff --git a/internal/helper/error_test.go b/internal/helper/error_test.go
index 26dfdebad..e79888d10 100644
--- a/internal/helper/error_test.go
+++ b/internal/helper/error_test.go
@@ -75,11 +75,6 @@ func TestErrorf(t *testing.T) {
 			expectedCode: codes.Unknown,
 		},
 		{
-			desc:         "ErrUnimplementedf",
-			errorf:       ErrUnimplementedf,
-			expectedCode: codes.Unimplemented,
-		},
-		{
 			desc:         "ErrUnauthenticatedf",
 			errorf:       ErrUnauthenticatedf,
 			expectedCode: codes.Unauthenticated,