diff --git a/backend/tests/worker.rs b/backend/tests/worker.rs
index 28d2289040..30dd99e188 100644
--- a/backend/tests/worker.rs
+++ b/backend/tests/worker.rs
@@ -27,8 +27,10 @@ use serde::Serialize;
 use windmill_common::flows::InputTransform;
 use windmill_common::worker::WORKER_CONFIG;
 
+#[cfg(feature = "python")]
+use windmill_common::flow_status::{FlowStatus, FlowStatusModule, RestartedFrom};
+
 use windmill_common::{
-    flow_status::{FlowStatus, FlowStatusModule, RestartedFrom},
     flows::{FlowModule, FlowModuleValue, FlowValue},
     jobs::{JobKind, JobPayload, RawCode},
     jwt::JWT_SECRET,
diff --git a/backend/windmill-api/src/postgres_triggers/trigger.rs b/backend/windmill-api/src/postgres_triggers/trigger.rs
index c08e917dd4..832fa997f3 100644
--- a/backend/windmill-api/src/postgres_triggers/trigger.rs
+++ b/backend/windmill-api/src/postgres_triggers/trigger.rs
@@ -372,7 +372,7 @@ impl PostgresConfig {
         }
     }
 
-    fn retrieve_info(&self) -> PgInfo {
+    fn retrieve_info(&self) -> PgInfo<'_> {
         let postgres_resource_path;
         let publication_name;
         let replication_slot_name;
diff --git a/backend/windmill-api/src/workspaces.rs b/backend/windmill-api/src/workspaces.rs
index 5b894eea26..a2b23eb016 100644
--- a/backend/windmill-api/src/workspaces.rs
+++ b/backend/windmill-api/src/workspaces.rs
@@ -242,15 +242,6 @@ pub struct WorkspaceSettings {
     pub git_app_installations: Option<serde_json::Value>,
 }
 
-#[derive(FromRow, Serialize, Debug)]
-pub struct Usage {
-    pub workspace_id: String,
-    pub slack_team_id: Option<String>,
-    pub slack_name: Option<String>,
-    pub slack_command_script: Option<String>,
-    pub slack_email: String,
-}
-
 #[derive(sqlx::Type, Serialize, Deserialize, Debug)]
 #[sqlx(type_name = "WORKSPACE_KEY_KIND", rename_all = "lowercase")]
 pub enum WorkspaceKeyKind {
diff --git a/backend/windmill-common/src/stats_oss.rs b/backend/windmill-common/src/stats_oss.rs
index 829e6e3a5b..f0f75ad0ed 100644
--- a/backend/windmill-common/src/stats_oss.rs
+++ b/backend/windmill-common/src/stats_oss.rs
@@ -20,14 +20,6 @@ pub async fn schedule_stats(_db: &DB, _http_client: &reqwest::Client) -> () {
     // stats details are closed source
 }
 
-#[cfg(not(feature = "private"))]
-#[derive(Debug, sqlx::FromRow, serde::Serialize)]
-struct JobsUsage {
-    language: Option<ScriptLang>,
-    total_duration: i64,
-    count: i64,
-}
-
 #[cfg(not(feature = "private"))]
 pub enum SendStatsReason {
     Manual,
diff --git a/backend/windmill-queue/src/jobs.rs b/backend/windmill-queue/src/jobs.rs
index ac5120dfab..8ac7641816 100644
--- a/backend/windmill-queue/src/jobs.rs
+++ b/backend/windmill-queue/src/jobs.rs
@@ -21,7 +21,7 @@ use serde::Deserialize;
 use serde::{ser::SerializeMap, Serialize};
 use serde_json::{json, value::RawValue};
 use sqlx::PgExecutor;
-use sqlx::{types::Json, FromRow, Pool, Postgres, Transaction};
+use sqlx::{types::Json, Pool, Postgres, Transaction};
 use tokio::{sync::RwLock, time::sleep};
 use ulid::Ulid;
 use uuid::Uuid;
@@ -1543,12 +1543,6 @@ pub async fn handle_maybe_scheduled_job<'c>(
     }
 }
 
-#[derive(Clone, Serialize, FromRow)]
-struct CompletedJobSubset {
-    success: bool,
-    result: Option<sqlx::types::Json<Box<RawValue>>>,
-    started_at: chrono::DateTime<chrono::Utc>,
-}
 
 #[cfg(feature = "enterprise")]
 async fn apply_schedule_handlers<'a, 'c, T: Serialize + Send + Sync>(