diff --git a/README.md b/README.md
index bd3829b3..45e893c5 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ func main() {
     // Create schema
     _, err = db.Exec(`
         CREATE TABLE users (
-            id          SERIAL PRIMARY KEY,
+            id          INTEGER PRIMARY KEY,
             name        TEXT NOT NULL UNIQUE,
             email       TEXT NOT NULL,
             age         INT  NOT NULL,
@@ -84,11 +84,11 @@ func main() {
 
     // Insert some data
     _, err = db.Exec(`
-        INSERT INTO users (name, email, age)
+        INSERT INTO users (id, name, email, age)
         VALUES
-            ('Alice', 'alice@example.com', 30),
-            ('Bob',   'bob@example.com',   25),
-            ('Carol', 'carol@example.com', 40);
+            (1, 'Alice', 'alice@example.com', 30),
+            (2, 'Bob',   'bob@example.com',   25),
+            (3, 'Carol', 'carol@example.com', 40);
     `)
     if err != nil {
         log.Fatal(err)
diff --git a/sqltests/expr/arithmetic.sql b/sqltests/expr/arithmetic.sql
index 44b1f2ce..48ad6209 100644
--- a/sqltests/expr/arithmetic.sql
+++ b/sqltests/expr/arithmetic.sql
@@ -99,8 +99,6 @@ NULL
 > 10 * -10
 -100
 
-> 10 + -10
-
 ! 1000000000 * 1000000000
 
 ! 1000000000000000000 * 1000000000000000000 * 1000000000000000000