diff --git a/CHANGELOG.md b/CHANGELOG.md
index e6a38681e..d122482a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@
 - Enh #842: Allow `ExpressionInterface` for `$alias` parameter of `QueryPartsInterface::withQuery()` method (@Tigrov)
 - Enh #843: Remove `AbstractPdoCommand::logQuery()` method (@Tigrov)
 - Chg #845: Remove `AbstractSchema::normalizeRowKeyCase()` method (@Tigrov)
+- Chg #846: Remove `SchemaInterface::isReadQuery()` method (@Tigrov)
 
 ## 1.3.0 March 21, 2024
 
diff --git a/UPGRADE.md b/UPGRADE.md
index b25882c84..a342f7ef4 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -65,6 +65,8 @@ $db->createCommand()->insertBatch('user', $values)->execute();
 
 - `AbstractDMLQueryBuilder::getTypecastValue()`
 - `TableSchemaInterface::compositeForeignKey()`
+- `SchemaInterface::isReadQuery()`
+- `AbstractSchema::isReadQuery()`
 - `AbstractSchema::normalizeRowKeyCase()`
 - `Quoter::unquoteParts()`
 - `AbstractPdoCommand::logQuery()`
diff --git a/src/Schema/AbstractSchema.php b/src/Schema/AbstractSchema.php
index 54915a9bf..368cb8d71 100644
--- a/src/Schema/AbstractSchema.php
+++ b/src/Schema/AbstractSchema.php
@@ -15,7 +15,6 @@
 
 use function gettype;
 use function is_array;
-use function preg_match;
 use function preg_replace;
 use function str_contains;
 use function str_replace;
@@ -314,14 +313,6 @@ public function getTableUniques(string $name, bool $refresh = false): array
         return is_array($tableUniques) ? $tableUniques : [];
     }
 
-    /** @deprecated Use {@see DbStringHelper::isReadQuery()}. Will be removed in version 2.0.0. */
-    public function isReadQuery(string $sql): bool
-    {
-        $pattern = '/^\s*(SELECT|SHOW|DESCRIBE)\b/i';
-
-        return preg_match($pattern, $sql) > 0;
-    }
-
     /**
      * @throws InvalidArgumentException
      */
diff --git a/src/Schema/SchemaInterface.php b/src/Schema/SchemaInterface.php
index 73d0893e0..1a5b675c3 100644
--- a/src/Schema/SchemaInterface.php
+++ b/src/Schema/SchemaInterface.php
@@ -357,17 +357,6 @@ public function getTableSchema(string $name, bool $refresh = false): TableSchema
      */
     public function getTableSchemas(string $schema = '', bool $refresh = false): array;
 
-    /**
-     * Returns a value indicating whether an SQL statement is for read purpose.
-     *
-     * @param string $sql The SQL statement.
-     *
-     * @return bool Whether an SQL statement is for read purpose.
-     *
-     * @deprecated Use {@see DbStringHelper::isReadQuery()}. Will be removed in version 2.0.0.
-     */
-    public function isReadQuery(string $sql): bool;
-
     /**
      * Refreshes the schema.
      *