diff --git a/src/main/java/io/supertokens/storage/postgresql/Start.java b/src/main/java/io/supertokens/storage/postgresql/Start.java
index eeee4ded..b1395e19 100644
--- a/src/main/java/io/supertokens/storage/postgresql/Start.java
+++ b/src/main/java/io/supertokens/storage/postgresql/Start.java
@@ -1535,8 +1535,13 @@ public int deleteAllRolesForUser(String userId) throws StorageQueryException {
     @Override
     public boolean deleteRoleForUser_Transaction(TransactionConnection con, String userId, String role)
             throws StorageQueryException {
-        // TODO
-        return false;
+        Connection sqlCon = (Connection) con.getConnection();
+
+        try {
+            return UserRolesQueries.deleteRoleForUser_Transaction(this, sqlCon, userId, role);
+        } catch (SQLException e) {
+            throw new StorageQueryException(e);
+        }
     }
 
     @Override
@@ -1586,7 +1591,12 @@ public int deleteAllPermissionsForRole_Transaction(TransactionConnection con, St
 
     @Override
     public boolean doesRoleExist_Transaction(TransactionConnection con, String role) throws StorageQueryException {
-        // TODO
-        return false;
+        Connection sqlCon = (Connection) con.getConnection();
+        try {
+            return UserRolesQueries.doesRoleExist_transaction(this, sqlCon, role);
+        } catch (SQLException e) {
+            throw new StorageQueryException(e);
+        }
     }
+
 }
diff --git a/src/main/java/io/supertokens/storage/postgresql/queries/UserRolesQueries.java b/src/main/java/io/supertokens/storage/postgresql/queries/UserRolesQueries.java
index 2f34f38e..7522b864 100644
--- a/src/main/java/io/supertokens/storage/postgresql/queries/UserRolesQueries.java
+++ b/src/main/java/io/supertokens/storage/postgresql/queries/UserRolesQueries.java
@@ -155,4 +155,23 @@ public static String[] getRolesForUser(Start start, String userId) throws SQLExc
             return roles.toArray(String[]::new);
         });
     }
+
+    public static boolean deleteRoleForUser_Transaction(Start start, Connection con, String userId, String role)
+            throws SQLException, StorageQueryException {
+        String QUERY = "DELETE FROM " + getConfig(start).getUserRolesTable() + " WHERE user_id = ? AND role = ? ;";
+
+        // store the number of rows updated
+        int rowUpdatedCount = update(con, QUERY, pst -> {
+            pst.setString(1, userId);
+            pst.setString(2, role);
+        });
+        return rowUpdatedCount > 0;
+    }
+
+    public static boolean doesRoleExist_transaction(Start start, Connection con, String role)
+            throws SQLException, StorageQueryException {
+        String QUERY = "SELECT 1 FROM " + getConfig(start).getRolesTable() + " WHERE role = ? FOR UPDATE";
+        return execute(con, QUERY, pst -> pst.setString(1, role), ResultSet::next);
+    }
+
 }