diff --git a/quaint/src/connector/mssql/native/mod.rs b/quaint/src/connector/mssql/native/mod.rs
index d22aa7a15dd6..124e14ac94d0 100644
--- a/quaint/src/connector/mssql/native/mod.rs
+++ b/quaint/src/connector/mssql/native/mod.rs
@@ -212,7 +212,7 @@ impl Queryable for Mssql {
         let rows = self.query_raw(query, &[]).await?;
 
         let version_string = rows
-            .get(0)
+            .first()
             .and_then(|row| row.get("version").and_then(|version| version.to_string()));
 
         Ok(version_string)
diff --git a/quaint/src/connector/mysql/native/mod.rs b/quaint/src/connector/mysql/native/mod.rs
index fdcc3a6276d1..98feb2649763 100644
--- a/quaint/src/connector/mysql/native/mod.rs
+++ b/quaint/src/connector/mysql/native/mod.rs
@@ -270,7 +270,7 @@ impl Queryable for Mysql {
         let rows = timeout::socket(self.socket_timeout, self.query_raw(query, &[])).await?;
 
         let version_string = rows
-            .get(0)
+            .first()
             .and_then(|row| row.get("version").and_then(|version| version.typed.to_string()));
 
         Ok(version_string)
diff --git a/quaint/src/connector/postgres/native/mod.rs b/quaint/src/connector/postgres/native/mod.rs
index 30f34e7002be..d656bceb1e00 100644
--- a/quaint/src/connector/postgres/native/mod.rs
+++ b/quaint/src/connector/postgres/native/mod.rs
@@ -491,7 +491,7 @@ impl Queryable for PostgreSql {
         let rows = self.query_raw(query, &[]).await?;
 
         let version_string = rows
-            .get(0)
+            .first()
             .and_then(|row| row.get("version").and_then(|version| version.to_string()));
 
         Ok(version_string)
diff --git a/schema-engine/connectors/sql-schema-connector/src/flavour/postgres.rs b/schema-engine/connectors/sql-schema-connector/src/flavour/postgres.rs
index 4942f0f4eff5..83c641797872 100644
--- a/schema-engine/connectors/sql-schema-connector/src/flavour/postgres.rs
+++ b/schema-engine/connectors/sql-schema-connector/src/flavour/postgres.rs
@@ -592,7 +592,7 @@ where
 
                     let version =
                         schema_exists_result
-                          .get(0)
+                          .first()
                           .and_then(|row| row.at(1).and_then(|ver_str| row.at(2).map(|ver_num| (ver_str, ver_num))))
                           .and_then(|(ver_str,ver_num)| ver_str.to_string().and_then(|version| ver_num.as_integer().map(|version_number| (version, version_number))));
 
@@ -625,7 +625,7 @@ where
                     }
 
                     if let Some(true) = schema_exists_result
-                        .get(0)
+                        .first()
                         .and_then(|row| row.at(0).and_then(|value| value.as_bool()))
                     {
                         return Ok((circumstances, connection))
diff --git a/schema-engine/connectors/sql-schema-connector/src/introspection/introspection_pair/default.rs b/schema-engine/connectors/sql-schema-connector/src/introspection/introspection_pair/default.rs
index 0c5f6f1f0a45..dcb04371439b 100644
--- a/schema-engine/connectors/sql-schema-connector/src/introspection/introspection_pair/default.rs
+++ b/schema-engine/connectors/sql-schema-connector/src/introspection/introspection_pair/default.rs
@@ -121,7 +121,7 @@ impl<'a> DefaultValuePair<'a> {
                 Some(previous) if previous.is_nanoid() => {
                     let length = previous.value().as_function().and_then(|(_, args, _)| {
                         args.arguments
-                            .get(0)
+                            .first()
                             .map(|arg| arg.value.as_numeric_value().unwrap().0.parse::<u8>().unwrap())
                     });
 
diff --git a/schema-engine/connectors/sql-schema-connector/src/sql_schema_calculator.rs b/schema-engine/connectors/sql-schema-connector/src/sql_schema_calculator.rs
index 10a87b96d5a5..3516d0136045 100644
--- a/schema-engine/connectors/sql-schema-connector/src/sql_schema_calculator.rs
+++ b/schema-engine/connectors/sql-schema-connector/src/sql_schema_calculator.rs
@@ -27,7 +27,7 @@ pub(crate) fn calculate_sql_schema(datamodel: &ValidatedSchema, flavour: &dyn Sq
         schemas: Default::default(),
     };
 
-    if let Some(ds) = context.datamodel.configuration.datasources.get(0) {
+    if let Some(ds) = context.datamodel.configuration.datasources.first() {
         for (schema, _) in &ds.namespaces {
             context
                 .schemas
@@ -608,6 +608,6 @@ fn unwrap_dbgenerated(expr: &ast::Expression) -> Option<String> {
         .unwrap()
         .1
         .arguments
-        .get(0)
+        .first()
         .map(|arg| arg.value.as_string_value().unwrap().0.to_owned())
 }