diff --git a/pkg/modules/api/middlewares.go b/pkg/modules/api/middlewares.go
index d40c1432..3854e8bc 100644
--- a/pkg/modules/api/middlewares.go
+++ b/pkg/modules/api/middlewares.go
@@ -40,10 +40,6 @@ func ParseError(err error) (int, string) {
 		return http.StatusTooManyRequests, http.StatusText(http.StatusTooManyRequests)
 	}
 
-	if errors.Is(err, gotenberg.ErrPdfEngineMethodNotSupported) {
-		return http.StatusNotImplemented, http.StatusText(http.StatusNotImplemented)
-	}
-
 	if errors.Is(err, gotenberg.ErrPdfFormatNotSupported) {
 		return http.StatusBadRequest, "At least one PDF engine cannot process the requested PDF format, while others may have failed to convert due to different issues"
 	}
diff --git a/pkg/modules/api/middlewares_test.go b/pkg/modules/api/middlewares_test.go
index e921f454..7fa5a1c1 100644
--- a/pkg/modules/api/middlewares_test.go
+++ b/pkg/modules/api/middlewares_test.go
@@ -38,11 +38,6 @@ func TestParseError(t *testing.T) {
 			expectStatus:  http.StatusTooManyRequests,
 			expectMessage: http.StatusText(http.StatusTooManyRequests),
 		},
-		{
-			err:           gotenberg.ErrPdfEngineMethodNotSupported,
-			expectStatus:  http.StatusNotImplemented,
-			expectMessage: http.StatusText(http.StatusNotImplemented),
-		},
 		{
 			err:           gotenberg.ErrPdfFormatNotSupported,
 			expectStatus:  http.StatusBadRequest,