diff --git a/src/cmd/go/internal/modload/import.go b/src/cmd/go/internal/modload/import.go
index 98f17ccff15b3378c44350615e19226b5b8ee68f..964f86a6dd25ed0c25a923ae4e946da8a2eff713 100644
--- a/src/cmd/go/internal/modload/import.go
+++ b/src/cmd/go/internal/modload/import.go
@@ -350,7 +350,7 @@ func importFromModules(ld *Loader, ctx context.Context, path string, rs *Require
 				// vendor/modules.txt does not exist or the user manually added directories to the vendor directory.
 				// Go 1.23 and later require vendored packages to be present in modules.txt to be imported.
 				_, ok := vendorPkgModule[path]
-				if ok || (gover.Compare(ld.MainModules.GoVersion(ld), gover.ExplicitModulesTxtImportVersion) < 0) {
+				if ok || (gover.Compare(ld.MainModules.GoVersion(ld), gover.ExplicitModulesTxtImportVersion) < 0) || os.Getenv("GO_NO_VENDOR_CHECKS") == "1" {
 					mods = append(mods, vendorPkgModule[path])
 					dirs = append(dirs, dir)
 					roots = append(roots, vendorDir)
diff --git a/src/cmd/go/internal/modload/vendor.go b/src/cmd/go/internal/modload/vendor.go
index 577e8f67769e0e92958ebcb684b3afa124014b64..ea7a45d90bcfb1dade2178e222b85ff52dee75b5 100644
--- a/src/cmd/go/internal/modload/vendor.go
+++ b/src/cmd/go/internal/modload/vendor.go
@@ -159,7 +159,7 @@ func checkVendorConsistency(ld *Loader, indexes []*modFileIndex, modFiles []*mod
 			panic(fmt.Errorf("not in workspace mode but number of indexes is %v, not 1", len(indexes)))
 		}
 		index := indexes[0]
-		if gover.Compare(index.goVersion, "1.14") < 0 {
+		if gover.Compare(index.goVersion, "1.14") < 0 || (os.Getenv("GO_NO_VENDOR_CHECKS") == "1" && len(vendorMeta) == 0) {
 			// Go versions before 1.14 did not include enough information in
 			// vendor/modules.txt to check for consistency.
 			// If we know that we're on an earlier version, relax the consistency check.