diff --git a/src/cmd/go/internal/test/testflag.go b/src/cmd/go/internal/test/testflag.go
index 30da2b08c1..f91e4e6705 100644
--- a/src/cmd/go/internal/test/testflag.go
+++ b/src/cmd/go/internal/test/testflag.go
@@ -6,7 +6,6 @@ package test
 
 import (
 	"cmd/go/internal/base"
-	"cmd/go/internal/cfg"
 	"cmd/go/internal/cmdflag"
 	"cmd/go/internal/work"
 	"errors"
@@ -355,7 +354,8 @@ func testFlags(args []string) (packageNames, passToTest []string) {
 		delete(addFromGOFLAGS, "v")
 		delete(addFromGOFLAGS, "test.v")
 
-		cfg.BuildJSON = true
+		// TODO(austin,#70402): Re-enable this once LUCI can handle build JSON in the test stream.
+		//cfg.BuildJSON = true
 	}
 
 	// Inject flags from GOFLAGS before the explicit command-line arguments.
diff --git a/src/cmd/go/testdata/script/test_json_build.txt b/src/cmd/go/testdata/script/test_json_build.txt
index f3e08d035f..d3d0c8bb1e 100644
--- a/src/cmd/go/testdata/script/test_json_build.txt
+++ b/src/cmd/go/testdata/script/test_json_build.txt
@@ -1,3 +1,6 @@
+# TODO(austin,#70402)
+skip
+
 [short] skip
 
 # Test a build error directly in a test file.