diff --git a/java/BUILD b/java/BUILD
index 103b99a..67d2c89 100644
--- a/java/BUILD
+++ b/java/BUILD
@@ -4,10 +4,6 @@
 
 filegroup(
     name = "srcs",
-    srcs = glob([
-        "**",
-    ]) + [
-        "//java/constraints:srcs",
-    ],
+    srcs = glob(["**"]),
     visibility = ["@//:__pkg__"],
 )
diff --git a/java/constraints/BUILD b/java/constraints/BUILD
deleted file mode 100644
index 61bfd23..0000000
--- a/java/constraints/BUILD
+++ /dev/null
@@ -1,37 +0,0 @@
-# Standard constraint_settings and constraint_values for Java.
-
-package(default_visibility = ["//visibility:public"])
-
-licenses(["notice"])
-
-filegroup(
-    name = "srcs",
-    srcs = ["BUILD"],
-)
-
-constraint_setting(name = "runtime")
-
-constraint_value(
-    name = "jdk8",
-    constraint_setting = ":runtime",
-)
-
-constraint_value(
-    name = "jdk9",
-    constraint_setting = ":runtime",
-)
-
-constraint_value(
-    name = "jdk10",
-    constraint_setting = ":runtime",
-)
-
-constraint_value(
-    name = "jdk11",
-    constraint_setting = ":runtime",
-)
-
-constraint_value(
-    name = "jdk12",
-    constraint_setting = ":runtime",
-)