diff --git a/src/libs/enrollment/all.js b/src/libs/enrollment/all.js
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/src/libs/enrollment/city.js b/src/libs/enrollment/city.js
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/src/libs/enrollment/common.js b/src/libs/enrollment/common.js
deleted file mode 100644
index 207f44c35f315bdd9cda4ed85b7cc8d8e8d687b3..0000000000000000000000000000000000000000
--- a/src/libs/enrollment/common.js
+++ /dev/null
@@ -1,14 +0,0 @@
-const libs = `${process.cwd()}/libs`;
-
-const log = require(`${libs}/log`)(module);
-
-const sqlDecorator = require(`${libs}/query_decorator`);
-
-const yearRange = () => {
-    const yearSql = 'SELECT MIN(t.ano_censo) AS start_year, MAX(t.ano_censo)'
-        + 'AS end_year FROM turmas AS t';
-    log.debug('Generated SQL query for enrollments\' year range');
-    return sqlDecorator.execQuery(yearSql, []);
-};
-
-module.exports = yearRange;
diff --git a/src/libs/enrollment/country.js b/src/libs/enrollment/country.js
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/src/libs/enrollment/region.js b/src/libs/enrollment/region.js
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/src/libs/enrollment/state.js b/src/libs/enrollment/state.js
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000