diff --git a/common/src/main/java/me/lucko/luckperms/common/storage/implementation/sql/SqlStorage.java b/common/src/main/java/me/lucko/luckperms/common/storage/implementation/sql/SqlStorage.java
index 23a08e779..f1170da0e 100644
--- a/common/src/main/java/me/lucko/luckperms/common/storage/implementation/sql/SqlStorage.java
+++ b/common/src/main/java/me/lucko/luckperms/common/storage/implementation/sql/SqlStorage.java
@@ -94,10 +94,7 @@ public class SqlStorage implements StorageImplementation {
     private static final String PLAYER_SELECT_UUID_BY_USERNAME = "SELECT uuid FROM '{prefix}players' WHERE username=? LIMIT 1";
     private static final String PLAYER_SELECT_USERNAME_BY_UUID = "SELECT username FROM '{prefix}players' WHERE uuid=? LIMIT 1";
     private static final String PLAYER_UPDATE_USERNAME_FOR_UUID = "UPDATE '{prefix}players' SET username=? WHERE uuid=?";
-    private static final Map<String, String> PLAYER_INSERT = ImmutableMap.of(
-            "PostgreSQL", "INSERT INTO '{prefix}players' (uuid, username, primary_group) VALUES(?, ?, ?) ON CONFLICT DO UPDATE SET username=?, primary_group=?"
-    );
-    private static final String PLAYER_INSERT_DEFAULT = "INSERT INTO '{prefix}players' (uuid, username, primary_group) VALUES(?, ?, ?) ON DUPLICATE KEY UPDATE username=?, primary_group=?";
+    private static final String PLAYER_INSERT = "INSERT INTO '{prefix}players' (uuid, username, primary_group) VALUES(?, ?, ?)";
     private static final String PLAYER_DELETE = "DELETE FROM '{prefix}players' WHERE uuid=?";
     private static final String PLAYER_SELECT_ALL_UUIDS_BY_USERNAME = "SELECT uuid FROM '{prefix}players' WHERE username=? AND NOT uuid=?";
     private static final String PLAYER_DELETE_ALL_UUIDS_BY_USERNAME = "DELETE FROM '{prefix}players' WHERE username=? AND NOT uuid=?";
@@ -624,12 +621,10 @@ public class SqlStorage implements StorageImplementation {
                         ps.execute();
                     }
                 } else {
-                    try (PreparedStatement ps = c.prepareStatement(this.statementProcessor.apply(PLAYER_INSERT.getOrDefault(this.connectionFactory.getImplementationName(), PLAYER_INSERT_DEFAULT)))) {
+                    try (PreparedStatement ps = c.prepareStatement(this.statementProcessor.apply(PLAYER_INSERT))) {
                         ps.setString(1, uniqueId.toString());
                         ps.setString(2, username);
                         ps.setString(3, GroupManager.DEFAULT_GROUP_NAME);
-                        ps.setString(4, username);
-                        ps.setString(5, GroupManager.DEFAULT_GROUP_NAME);
                         ps.execute();
                     }
                 }
@@ -902,12 +897,10 @@ public class SqlStorage implements StorageImplementation {
             }
         } else {
             // insert
-            try (PreparedStatement ps = c.prepareStatement(this.statementProcessor.apply(PLAYER_INSERT.getOrDefault(this.connectionFactory.getImplementationName(), PLAYER_INSERT_DEFAULT)))) {
+            try (PreparedStatement ps = c.prepareStatement(this.statementProcessor.apply(PLAYER_INSERT))) {
                 ps.setString(1, user.toString());
                 ps.setString(2, data.username);
                 ps.setString(3, data.primaryGroup);
-                ps.setString(4, data.username);
-                ps.setString(5, data.primaryGroup);
                 ps.execute();
             }
         }