diff --git a/bucklets/java_doc.bucklet b/bucklets/java_doc.bucklet
new file mode 120000
index 0000000000..cc8b6dba8e
--- /dev/null
+++ b/bucklets/java_doc.bucklet
@@ -0,0 +1 @@
+../tools/java_doc.defs
\ No newline at end of file
diff --git a/bucklets/java_sources.bucklet b/bucklets/java_sources.bucklet
new file mode 120000
index 0000000000..8a1a5dddfb
--- /dev/null
+++ b/bucklets/java_sources.bucklet
@@ -0,0 +1 @@
+../tools/java_sources.defs
\ No newline at end of file
diff --git a/bucklets/local_jar.bucklet b/bucklets/local_jar.bucklet
new file mode 120000
index 0000000000..890482472c
--- /dev/null
+++ b/bucklets/local_jar.bucklet
@@ -0,0 +1 @@
+../lib/local.defs
\ No newline at end of file
diff --git a/bucklets/maven_package.bucklet b/bucklets/maven_package.bucklet
new file mode 120000
index 0000000000..b5f5ea8afb
--- /dev/null
+++ b/bucklets/maven_package.bucklet
@@ -0,0 +1 @@
+../tools/maven/package.defs
\ No newline at end of file
diff --git a/lib/local.defs b/lib/local.defs
new file mode 100644
index 0000000000..6eec581a0d
--- /dev/null
+++ b/lib/local.defs
@@ -0,0 +1,33 @@
+def local_jar(
+    name,
+    jar,
+    src = None,
+    deps = [],
+    visibility = ['PUBLIC']):
+  binjar = name + '.jar'
+  srcjar = name + '-src.jar'
+  genrule(
+    name = '%s__local_bin' % name,
+    cmd = 'ln -s %s $OUT' % jar,
+    out = binjar)
+  if src:
+    genrule(
+      name = '%s__local_src' % name,
+      cmd = 'ln -s %s $OUT' % src,
+      out = srcjar)
+    prebuilt_jar(
+      name = '%s_src' % name,
+      binary_jar = ':%s__local_src' % name,
+      visibility = visibility,
+    )
+  else:
+    srcjar = None
+
+  prebuilt_jar(
+    name = name,
+    deps = deps,
+    binary_jar = ':%s__local_bin' % name,
+    source_jar = ':%s__local_src' % name if srcjar else None,
+    visibility = visibility,
+ )
+
diff --git a/lib/maven.defs b/lib/maven.defs
index 5f4006fe27..adce2a5e57 100644
--- a/lib/maven.defs
+++ b/lib/maven.defs
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+include_defs('//lib/local.defs')
+
 ATLASSIAN = 'ATLASSIAN:'
 GERRIT = 'GERRIT:'
 GERRIT_API = 'GERRIT_API:'
@@ -135,35 +137,3 @@ def maven_jar(
       visibility = visibility,
     )
 
-def local_jar(
-    name,
-    jar,
-    src = None,
-    deps = [],
-    visibility = ['PUBLIC']):
-  binjar = name + '.jar'
-  srcjar = name + '-src.jar'
-  genrule(
-    name = '%s__local_bin' % name,
-    cmd = 'ln -s %s $OUT' % jar,
-    out = binjar)
-  if src:
-    genrule(
-      name = '%s__local_src' % name,
-      cmd = 'ln -s %s $OUT' % src,
-      out = srcjar)
-    prebuilt_jar(
-      name = '%s_src' % name,
-      binary_jar = ':%s__local_src' % name,
-      visibility = visibility,
-    )
-  else:
-    srcjar = None
-
-  prebuilt_jar(
-    name = name,
-    deps = deps,
-    binary_jar = ':%s__local_bin' % name,
-    source_jar = ':%s__local_src' % name if srcjar else None,
-    visibility = visibility,
-  )
diff --git a/tools/default.defs b/tools/default.defs
index 4ebb4e435e..2239026593 100644
--- a/tools/default.defs
+++ b/tools/default.defs
@@ -15,6 +15,8 @@
 # Rule definitions loaded by default into every BUCK file.
 
 include_defs('//tools/gwt-constants.defs')
+include_defs('//tools/java_doc.defs')
+include_defs('//tools/java_sources.defs')
 import copy
 
 def genantlr(
@@ -144,52 +146,3 @@ def gerrit_plugin(
     ] + static_jars,
     visibility = visibility,
   )
-
-def java_sources(
-    name,
-    srcs,
-    visibility = []
-  ):
-  java_library(
-    name = name,
-    resources = srcs,
-    visibility = visibility,
-  )
-
-def java_doc(
-    name,
-    title,
-    pkg,
-    paths,
-    srcs = [],
-    deps = [],
-    visibility = [],
-    do_it_wrong = False,
-  ):
-  if do_it_wrong:
-    sourcepath = paths
-  else:
-    sourcepath = ['$SRCDIR/' + n for n in paths]
-  genrule(
-    name = name,
-    cmd = ' '.join([
-      'while ! test -f .buckconfig; do cd ..; done;',
-      'javadoc',
-      '-quiet',
-      '-protected',
-      '-encoding UTF-8',
-      '-charset UTF-8',
-      '-notimestamp',
-      '-windowtitle "' + title + '"',
-      '-link http://docs.oracle.com/javase/7/docs/api',
-      '-subpackages ' + pkg,
-      '-sourcepath ',
-      ':'.join(sourcepath),
-      ' -classpath ',
-      ':'.join(['$(location %s)' % n for n in deps]),
-      '-d $TMP',
-    ]) + ';jar cf $OUT -C $TMP .',
-    srcs = srcs,
-    out = name + '.jar',
-    visibility = visibility,
-)
diff --git a/tools/java_doc.defs b/tools/java_doc.defs
new file mode 100644
index 0000000000..d117bda9b1
--- /dev/null
+++ b/tools/java_doc.defs
@@ -0,0 +1,37 @@
+def java_doc(
+    name,
+    title,
+    pkg,
+    paths,
+    srcs = [],
+    deps = [],
+    visibility = [],
+    do_it_wrong = False,
+  ):
+  if do_it_wrong:
+    sourcepath = paths
+  else:
+    sourcepath = ['$SRCDIR/' + n for n in paths]
+  genrule(
+    name = name,
+    cmd = ' '.join([
+      'while ! test -f .buckconfig; do cd ..; done;',
+      'javadoc',
+      '-quiet',
+      '-protected',
+      '-encoding UTF-8',
+      '-charset UTF-8',
+      '-notimestamp',
+      '-windowtitle "' + title + '"',
+      '-link http://docs.oracle.com/javase/7/docs/api',
+      '-subpackages ' + pkg,
+      '-sourcepath ',
+      ':'.join(sourcepath),
+      ' -classpath ',
+      ':'.join(['$(location %s)' % n for n in deps]),
+      '-d $TMP',
+    ]) + ';jar cf $OUT -C $TMP .',
+    srcs = srcs,
+    out = name + '.jar',
+    visibility = visibility,
+)
diff --git a/tools/java_sources.defs b/tools/java_sources.defs
new file mode 100644
index 0000000000..0b3974ec7a
--- /dev/null
+++ b/tools/java_sources.defs
@@ -0,0 +1,10 @@
+def java_sources(
+    name,
+    srcs,
+    visibility = []
+  ):
+  java_library(
+    name = name,
+    resources = srcs,
+    visibility = visibility,
+  )