diff --git a/stats/stats/src/charts/lines/native_coin_holders_growth.rs b/stats/stats/src/charts/lines/native_coin_holders_growth.rs
index d7fcd4667..41105e5b1 100644
--- a/stats/stats/src/charts/lines/native_coin_holders_growth.rs
+++ b/stats/stats/src/charts/lines/native_coin_holders_growth.rs
@@ -88,7 +88,7 @@ impl CreateBehaviour for Create {
 
 pub struct Update;
 
-impl UpdateBehaviour<(), (), NaiveDate> for Update {
+impl UpdateBehaviour<(), NaiveDate> for Update {
     async fn update_values(
         cx: &UpdateContext<'_>,
         chart_id: i32,
@@ -383,7 +383,7 @@ define_and_impl_resolution_properties!(
 );
 
 pub type NativeCoinHoldersGrowth =
-    LocalDbChartSource<(), (), Create, Update, DefaultQueryVec<Properties>, Properties>;
+    LocalDbChartSource<(), Create, Update, DefaultQueryVec<Properties>, Properties>;
 pub type NativeCoinHoldersGrowthInt = MapParseTo<NativeCoinHoldersGrowth, i64>;
 pub type NativeCoinHoldersGrowthWeekly = DirectVecLocalDbChartSource<
     LastValueLowerResolution<NativeCoinHoldersGrowth, Week>,
diff --git a/stats/stats/src/data_source/kinds/auxiliary/cumulative.rs b/stats/stats/src/data_source/kinds/auxiliary/cumulative.rs
index dc21d253d..8f405f04c 100644
--- a/stats/stats/src/data_source/kinds/auxiliary/cumulative.rs
+++ b/stats/stats/src/data_source/kinds/auxiliary/cumulative.rs
@@ -31,7 +31,6 @@ where
     Delta: DataSource<Output = Vec<TimespanValue<Resolution, Value>>>,
 {
     type MainDependencies = Delta;
-    type ResolutionDependencies = ();
     type Output = Vec<TimespanValue<Resolution, Value>>;
     fn mutex_id() -> Option<String> {
         None
diff --git a/stats/stats/src/data_source/kinds/data_manipulation/delta.rs b/stats/stats/src/data_source/kinds/data_manipulation/delta.rs
index 9b6edb65d..85a271e00 100644
--- a/stats/stats/src/data_source/kinds/data_manipulation/delta.rs
+++ b/stats/stats/src/data_source/kinds/data_manipulation/delta.rs
@@ -42,7 +42,6 @@ where
     <Value as FromStr>::Err: Display,
 {
     type MainDependencies = DS;
-    type ResolutionDependencies = ();
     type Output = Vec<TimespanValue<Resolution, Value>>;
     fn mutex_id() -> Option<String> {
         None
diff --git a/stats/stats/src/data_source/kinds/data_manipulation/filter_deducible.rs b/stats/stats/src/data_source/kinds/data_manipulation/filter_deducible.rs
index 7b4b5786d..05fe946c0 100644
--- a/stats/stats/src/data_source/kinds/data_manipulation/filter_deducible.rs
+++ b/stats/stats/src/data_source/kinds/data_manipulation/filter_deducible.rs
@@ -29,7 +29,6 @@ where
     Properties: ChartProperties,
 {
     type MainDependencies = DS;
-    type ResolutionDependencies = ();
     type Output = DS::Output;
 
     fn mutex_id() -> Option<String> {
diff --git a/stats/stats/src/data_source/kinds/data_manipulation/last_point.rs b/stats/stats/src/data_source/kinds/data_manipulation/last_point.rs
index ff98bfcf1..7dc31ffd3 100644
--- a/stats/stats/src/data_source/kinds/data_manipulation/last_point.rs
+++ b/stats/stats/src/data_source/kinds/data_manipulation/last_point.rs
@@ -28,7 +28,6 @@ where
     TimespanValue<Resolution, Value>: ZeroTimespanValue<Resolution>,
 {
     type MainDependencies = DS;
-    type ResolutionDependencies = ();
     type Output = TimespanValue<Resolution, Value>;
     fn mutex_id() -> Option<String> {
         None
diff --git a/stats/stats/src/data_source/kinds/data_manipulation/map/mod.rs b/stats/stats/src/data_source/kinds/data_manipulation/map/mod.rs
index e48fffc0f..4249d6aa0 100644
--- a/stats/stats/src/data_source/kinds/data_manipulation/map/mod.rs
+++ b/stats/stats/src/data_source/kinds/data_manipulation/map/mod.rs
@@ -35,7 +35,6 @@ where
     F: MapFunction<D::Output>,
 {
     type MainDependencies = D;
-    type ResolutionDependencies = ();
     type Output = F::Output;
     fn mutex_id() -> Option<String> {
         None
diff --git a/stats/stats/src/data_source/kinds/data_manipulation/resolutions/average.rs b/stats/stats/src/data_source/kinds/data_manipulation/resolutions/average.rs
index 7bc8dc642..d9bc7ba26 100644
--- a/stats/stats/src/data_source/kinds/data_manipulation/resolutions/average.rs
+++ b/stats/stats/src/data_source/kinds/data_manipulation/resolutions/average.rs
@@ -37,8 +37,7 @@ where
     LowerRes: Timespan + ConsistsOf<HigherRes> + Eq + Debug + Send,
     HigherRes: Ord + Clone + Debug + Send,
 {
-    type MainDependencies = Average;
-    type ResolutionDependencies = Weight;
+    type MainDependencies = (Average, Weight);
     type Output = Vec<TimespanValue<LowerRes, f64>>;
 
     fn mutex_id() -> Option<String> {
diff --git a/stats/stats/src/data_source/kinds/data_manipulation/resolutions/last_value.rs b/stats/stats/src/data_source/kinds/data_manipulation/resolutions/last_value.rs
index 6af0b73a7..78a5d0efa 100644
--- a/stats/stats/src/data_source/kinds/data_manipulation/resolutions/last_value.rs
+++ b/stats/stats/src/data_source/kinds/data_manipulation/resolutions/last_value.rs
@@ -28,7 +28,6 @@ where
     DS: DataSource<Output = Vec<TimespanValue<HigherRes, Value>>>,
 {
     type MainDependencies = DS;
-    type ResolutionDependencies = ();
     type Output = Vec<TimespanValue<LowerRes, Value>>;
 
     fn mutex_id() -> Option<String> {
diff --git a/stats/stats/src/data_source/kinds/data_manipulation/resolutions/sum.rs b/stats/stats/src/data_source/kinds/data_manipulation/resolutions/sum.rs
index 399666510..0cbaf6770 100644
--- a/stats/stats/src/data_source/kinds/data_manipulation/resolutions/sum.rs
+++ b/stats/stats/src/data_source/kinds/data_manipulation/resolutions/sum.rs
@@ -33,7 +33,6 @@ where
     DS: DataSource<Output = Vec<TimespanValue<HigherRes, Value>>>,
 {
     type MainDependencies = DS;
-    type ResolutionDependencies = ();
     type Output = Vec<TimespanValue<LowerRes, Value>>;
 
     fn mutex_id() -> Option<String> {
diff --git a/stats/stats/src/data_source/kinds/data_manipulation/sum_point.rs b/stats/stats/src/data_source/kinds/data_manipulation/sum_point.rs
index 6cc68f018..ee1a7c1d6 100644
--- a/stats/stats/src/data_source/kinds/data_manipulation/sum_point.rs
+++ b/stats/stats/src/data_source/kinds/data_manipulation/sum_point.rs
@@ -37,7 +37,6 @@ where
     DS: DataSource<Output = Vec<TimespanValue<Resolution, Value>>>,
 {
     type MainDependencies = DS;
-    type ResolutionDependencies = ();
     type Output = TimespanValue<Resolution, Value>;
     fn mutex_id() -> Option<String> {
         None
diff --git a/stats/stats/src/data_source/kinds/local_db/mod.rs b/stats/stats/src/data_source/kinds/local_db/mod.rs
index 35798f2c0..56b7acced 100644
--- a/stats/stats/src/data_source/kinds/local_db/mod.rs
+++ b/stats/stats/src/data_source/kinds/local_db/mod.rs
@@ -52,14 +52,13 @@ pub mod parameters;
 /// with common parameter combinations.
 ///
 /// See [module-level documentation](self) for more details.
-pub struct LocalDbChartSource<MainDep, ResolutionDep, Create, Update, Query, ChartProps>(
-    PhantomData<(MainDep, ResolutionDep, Create, Update, Query, ChartProps)>,
+pub struct LocalDbChartSource<MainDep, Create, Update, Query, ChartProps>(
+    PhantomData<(MainDep, Create, Update, Query, ChartProps)>,
 )
 where
     MainDep: DataSource,
-    ResolutionDep: DataSource,
     Create: CreateBehaviour,
-    Update: UpdateBehaviour<MainDep, ResolutionDep, ChartProps::Resolution>,
+    Update: UpdateBehaviour<MainDep, ChartProps::Resolution>,
     Query: QueryBehaviour,
     ChartProps: ChartProperties;
 
@@ -78,11 +77,9 @@ where
 /// The opposite logic to [`Delta`](`crate::data_source::kinds::data_manipulation::delta::Delta`)
 pub type DailyCumulativeLocalDbChartSource<DeltaDep, C> = LocalDbChartSource<
     PartialCumulative<DeltaDep>,
-    (),
     DefaultCreate<C>,
     BatchUpdate<
         PartialCumulative<DeltaDep>,
-        (),
         AddLastValueStep<C>,
         Batch30Days,
         DefaultQueryVec<C>,
@@ -96,31 +93,23 @@ pub type DailyCumulativeLocalDbChartSource<DeltaDep, C> = LocalDbChartSource<
 /// any manipulations)
 pub type DirectVecLocalDbChartSource<Dependency, BatchSizeUpperBound, C> = LocalDbChartSource<
     Dependency,
-    (),
     DefaultCreate<C>,
-    BatchUpdate<Dependency, (), PassVecStep, BatchSizeUpperBound, DefaultQueryVec<C>, C>,
+    BatchUpdate<Dependency, PassVecStep, BatchSizeUpperBound, DefaultQueryVec<C>, C>,
     DefaultQueryVec<C>,
     C,
 >;
 
 /// Chart that stores single data point received from provided dependency (without
 /// any manipulations)
-pub type DirectPointLocalDbChartSource<Dependency, C> = LocalDbChartSource<
-    Dependency,
-    (),
-    DefaultCreate<C>,
-    PassPoint<Dependency>,
-    DefaultQueryLast<C>,
-    C,
->;
+pub type DirectPointLocalDbChartSource<Dependency, C> =
+    LocalDbChartSource<Dependency, DefaultCreate<C>, PassPoint<Dependency>, DefaultQueryLast<C>, C>;
 
-impl<MainDep, ResolutionDep, Create, Update, Query, ChartProps>
-    LocalDbChartSource<MainDep, ResolutionDep, Create, Update, Query, ChartProps>
+impl<MainDep, Create, Update, Query, ChartProps>
+    LocalDbChartSource<MainDep, Create, Update, Query, ChartProps>
 where
     MainDep: DataSource + Sync,
-    ResolutionDep: DataSource + Sync,
     Create: CreateBehaviour + Sync,
-    Update: UpdateBehaviour<MainDep, ResolutionDep, ChartProps::Resolution> + Sync,
+    Update: UpdateBehaviour<MainDep, ChartProps::Resolution> + Sync,
     Query: QueryBehaviour + Sync,
     ChartProps: ChartProperties,
     ChartProps::Resolution: Ord + Clone + Debug,
@@ -195,19 +184,17 @@ fn postgres_timestamps_eq(time_1: DateTime<Utc>, time_2: DateTime<Utc>) -> bool
     time_1.trunc_subsecs(6).eq(&time_2.trunc_subsecs(6))
 }
 
-impl<MainDep, ResolutionDep, Create, Update, Query, ChartProps> DataSource
-    for LocalDbChartSource<MainDep, ResolutionDep, Create, Update, Query, ChartProps>
+impl<MainDep, Create, Update, Query, ChartProps> DataSource
+    for LocalDbChartSource<MainDep, Create, Update, Query, ChartProps>
 where
     MainDep: DataSource + Sync,
-    ResolutionDep: DataSource + Sync,
     Create: CreateBehaviour + Sync,
-    Update: UpdateBehaviour<MainDep, ResolutionDep, ChartProps::Resolution> + Sync,
+    Update: UpdateBehaviour<MainDep, ChartProps::Resolution> + Sync,
     Query: QueryBehaviour + Sync,
     ChartProps: ChartProperties,
     ChartProps::Resolution: Ord + Clone + Debug + Send,
 {
     type MainDependencies = MainDep;
-    type ResolutionDependencies = ResolutionDep;
     type Output = Query::Output;
 
     fn mutex_id() -> Option<String> {
@@ -257,13 +244,12 @@ where
 
 // need to delegate these traits for update groups to use
 
-impl<MainDep, ResolutionDep, Create, Update, Query, ChartProps> Named
-    for LocalDbChartSource<MainDep, ResolutionDep, Create, Update, Query, ChartProps>
+impl<MainDep, Create, Update, Query, ChartProps> Named
+    for LocalDbChartSource<MainDep, Create, Update, Query, ChartProps>
 where
     MainDep: DataSource,
-    ResolutionDep: DataSource,
     Create: CreateBehaviour,
-    Update: UpdateBehaviour<MainDep, ResolutionDep, ChartProps::Resolution>,
+    Update: UpdateBehaviour<MainDep, ChartProps::Resolution>,
     Query: QueryBehaviour,
     ChartProps: ChartProperties + Named,
 {
@@ -273,13 +259,12 @@ where
 }
 
 #[portrait::fill(portrait::delegate(ChartProps))]
-impl<MainDep, ResolutionDep, Create, Update, Query, ChartProps> ChartProperties
-    for LocalDbChartSource<MainDep, ResolutionDep, Create, Update, Query, ChartProps>
+impl<MainDep, Create, Update, Query, ChartProps> ChartProperties
+    for LocalDbChartSource<MainDep, Create, Update, Query, ChartProps>
 where
     MainDep: DataSource + Sync,
-    ResolutionDep: DataSource + Sync,
     Create: CreateBehaviour + Sync,
-    Update: UpdateBehaviour<MainDep, ResolutionDep, ChartProps::Resolution> + Sync,
+    Update: UpdateBehaviour<MainDep, ChartProps::Resolution> + Sync,
     Query: QueryBehaviour + Sync,
     ChartProps: ChartProperties,
 {
@@ -343,10 +328,9 @@ mod tests {
             }
         }
 
-        impl<M, R, Resolution> UpdateBehaviour<M, R, Resolution> for UpdateSingleTriggerAsserter
+        impl<M, Resolution> UpdateBehaviour<M, Resolution> for UpdateSingleTriggerAsserter
         where
             M: DataSource,
-            R: DataSource,
             Resolution: Send,
         {
             async fn update_values(
@@ -387,7 +371,6 @@ mod tests {
         }
 
         type TestedChart = LocalDbChartSource<
-            (),
             (),
             DefaultCreate<TestedChartProps>,
             UpdateSingleTriggerAsserter,
diff --git a/stats/stats/src/data_source/kinds/local_db/parameter_traits.rs b/stats/stats/src/data_source/kinds/local_db/parameter_traits.rs
index 8de6b4aa2..2be7a2dd6 100644
--- a/stats/stats/src/data_source/kinds/local_db/parameter_traits.rs
+++ b/stats/stats/src/data_source/kinds/local_db/parameter_traits.rs
@@ -22,10 +22,9 @@ pub trait CreateBehaviour {
 
 // generic parameters are to ensure that dependencies in implementations
 // of this trait match dependencies in `impl DataSource for LocalDbChartSource<..>`
-pub trait UpdateBehaviour<MainDep, ResolutionDep, Resolution>
+pub trait UpdateBehaviour<MainDep, Resolution>
 where
     MainDep: DataSource,
-    ResolutionDep: DataSource,
 {
     /// Update only chart values.
     ///
diff --git a/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/mod.rs b/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/mod.rs
index 28548d13d..441d7b30b 100644
--- a/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/mod.rs
+++ b/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/mod.rs
@@ -24,31 +24,22 @@ use crate::{
 pub mod parameter_traits;
 pub mod parameters;
 
-pub struct BatchUpdate<MainDep, ResolutionDep, BatchStep, BatchSizeUpperBound, Query, ChartProps>(
-    PhantomData<(
-        MainDep,
-        ResolutionDep,
-        BatchStep,
-        BatchSizeUpperBound,
-        Query,
-        ChartProps,
-    )>,
+pub struct BatchUpdate<MainDep, BatchStep, BatchSizeUpperBound, Query, ChartProps>(
+    PhantomData<(MainDep, BatchStep, BatchSizeUpperBound, Query, ChartProps)>,
 )
 where
     MainDep: DataSource,
-    ResolutionDep: DataSource,
-    BatchStep: BatchStepBehaviour<ChartProps::Resolution, MainDep::Output, ResolutionDep::Output>,
+    BatchStep: BatchStepBehaviour<ChartProps::Resolution, MainDep::Output>,
     BatchSizeUpperBound: Get<Value = TimespanDuration<ChartProps::Resolution>>,
     Query: QueryBehaviour<Output = Vec<TimespanValue<ChartProps::Resolution, String>>>,
     ChartProps: ChartProperties;
 
-impl<MainDep, ResolutionDep, BatchStep, BatchSizeUpperBound, Query, ChartProps>
-    UpdateBehaviour<MainDep, ResolutionDep, ChartProps::Resolution>
-    for BatchUpdate<MainDep, ResolutionDep, BatchStep, BatchSizeUpperBound, Query, ChartProps>
+impl<MainDep, BatchStep, BatchSizeUpperBound, Query, ChartProps>
+    UpdateBehaviour<MainDep, ChartProps::Resolution>
+    for BatchUpdate<MainDep, BatchStep, BatchSizeUpperBound, Query, ChartProps>
 where
     MainDep: DataSource,
-    ResolutionDep: DataSource,
-    BatchStep: BatchStepBehaviour<ChartProps::Resolution, MainDep::Output, ResolutionDep::Output>,
+    BatchStep: BatchStepBehaviour<ChartProps::Resolution, MainDep::Output>,
     BatchSizeUpperBound: Get<Value = TimespanDuration<ChartProps::Resolution>>,
     Query: QueryBehaviour<Output = Vec<TimespanValue<ChartProps::Resolution, String>>>,
     ChartProps: ChartProperties,
@@ -91,12 +82,7 @@ where
                 "run {}/{} step of batch update", i + 1, n
             );
             let now = Instant::now();
-            let found = batch_update_values_step::<
-                MainDep,
-                ResolutionDep,
-                BatchStep,
-                ChartProps::Resolution,
-            >(
+            let found = batch_update_values_step::<MainDep, BatchStep, ChartProps::Resolution>(
                 cx,
                 chart_id,
                 min_blockscout_block,
@@ -151,7 +137,7 @@ where
 }
 
 /// Returns how many records were found
-async fn batch_update_values_step<MainDep, ResolutionDep, BatchStep, Resolution>(
+async fn batch_update_values_step<MainDep, BatchStep, Resolution>(
     cx: &UpdateContext<'_>,
     chart_id: i32,
     min_blockscout_block: i64,
@@ -161,15 +147,12 @@ async fn batch_update_values_step<MainDep, ResolutionDep, BatchStep, Resolution>
 ) -> Result<usize, UpdateError>
 where
     MainDep: DataSource,
-    ResolutionDep: DataSource,
     Resolution: Timespan,
-    BatchStep: BatchStepBehaviour<Resolution, MainDep::Output, ResolutionDep::Output>,
+    BatchStep: BatchStepBehaviour<Resolution, MainDep::Output>,
 {
     let query_range = range.into_date_time_range();
     let main_data =
         MainDep::query_data(cx, Some(query_range.clone()), dependency_data_fetch_timer).await?;
-    let resolution_data =
-        ResolutionDep::query_data(cx, Some(query_range), dependency_data_fetch_timer).await?;
     let found = BatchStep::batch_update_values_step_with(
         cx.db,
         chart_id,
@@ -177,7 +160,6 @@ where
         min_blockscout_block,
         last_accurate_point,
         main_data,
-        resolution_data,
     )
     .await?;
     Ok(found)
@@ -402,7 +384,7 @@ mod tests {
 
         use super::{parameters::mock::StepInput, TimespanDuration};
 
-        type VecStringStepInput = StepInput<Vec<DateValue<String>>, ()>;
+        type VecStringStepInput = StepInput<Vec<DateValue<String>>>;
         type SharedInputsStorage = Arc<Mutex<Vec<VecStringStepInput>>>;
 
         // `OnceLock` in order to return the same instance each time
@@ -433,7 +415,6 @@ mod tests {
 
         type ThisRecordingBatchUpdate = BatchUpdate<
             AccountsGrowth,
-            (),
             ThisRecordingStep,
             Batch1Day,
             DefaultQueryVec<ThisTestChartProps>,
@@ -442,7 +423,6 @@ mod tests {
 
         type RecordingChart = LocalDbChartSource<
             AccountsGrowth,
-            (),
             DefaultCreate<ThisTestChartProps>,
             ThisRecordingBatchUpdate,
             DefaultQueryVec<ThisTestChartProps>,
@@ -473,7 +453,7 @@ mod tests {
             storage: SharedInputsStorage,
             expected_update_time: Option<DateTime<Utc>>,
         ) {
-            let mut prev_input: Option<&StepInput<Vec<DateValue<String>>, ()>> = None;
+            let mut prev_input: Option<&StepInput<Vec<DateValue<String>>>> = None;
             let expected_update_time = expected_update_time
                 .unwrap_or(DateTime::<Utc>::from_str("2023-03-01T12:00:00Z").unwrap());
             for input in storage.lock().await.deref() {
diff --git a/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameter_traits.rs b/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameter_traits.rs
index d2277ccb5..341729ce5 100644
--- a/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameter_traits.rs
+++ b/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameter_traits.rs
@@ -8,11 +8,10 @@ use crate::{
     UpdateError,
 };
 
-pub trait BatchStepBehaviour<Resolution, MainInput, ResolutionInput>
+pub trait BatchStepBehaviour<Resolution, MainInput>
 where
     Resolution: Timespan,
     MainInput: Send,
-    ResolutionInput: Send,
 {
     /// Update chart with data from its dependencies.
     ///
@@ -24,6 +23,5 @@ where
         min_blockscout_block: i64,
         last_accurate_point: TimespanValue<Resolution, String>,
         main_data: MainInput,
-        resolution_data: ResolutionInput,
-    ) -> impl Future<Output = Result<usize, UpdateError>> + std::marker::Send;
+    ) -> impl Future<Output = Result<usize, UpdateError>> + Send;
 }
diff --git a/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/cumulative.rs b/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/cumulative.rs
index f8242e729..eea32e21e 100644
--- a/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/cumulative.rs
+++ b/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/cumulative.rs
@@ -21,7 +21,7 @@ use super::PassVecStep;
 pub struct AddLastValueStep<ChartProps>(PhantomData<ChartProps>);
 
 impl<Resolution, Value, ChartProps>
-    BatchStepBehaviour<Resolution, Vec<TimespanValue<Resolution, Value>>, ()>
+    BatchStepBehaviour<Resolution, Vec<TimespanValue<Resolution, Value>>>
     for AddLastValueStep<ChartProps>
 where
     Resolution: Timespan + Clone + Send + Sync,
@@ -36,7 +36,6 @@ where
         min_blockscout_block: i64,
         last_accurate_point: TimespanValue<Resolution, String>,
         main_data: Vec<TimespanValue<Resolution, Value>>,
-        _resolution_data: (),
     ) -> Result<usize, UpdateError> {
         let partial_sum = last_accurate_point.value.parse::<Value>().map_err(|e| {
             UpdateError::Internal(format!(
@@ -57,7 +56,6 @@ where
         <PassVecStep as BatchStepBehaviour<
             Resolution,
             Vec<TimespanValue<Resolution, String>>,
-            (),
         >>::batch_update_values_step_with(
             db,
             chart_id,
@@ -65,7 +63,6 @@ where
             min_blockscout_block,
             last_accurate_point,
             main_data,
-            (),
         )
         .await
     }
diff --git a/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/mock.rs b/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/mock.rs
index 846acfd52..9e4879333 100644
--- a/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/mock.rs
+++ b/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/mock.rs
@@ -11,13 +11,12 @@ use crate::{
 use super::PassVecStep;
 
 #[derive(Debug, Clone)]
-pub struct StepInput<MI, RI> {
+pub struct StepInput<MI> {
     pub chart_id: i32,
     pub update_time: DateTime<Utc>,
     pub min_blockscout_block: i64,
     pub last_accurate_point: DateValue<String>,
     pub main_data: MI,
-    pub resolution_data: RI,
 }
 
 /// Allows to inspect values passed to each step call;
@@ -27,10 +26,10 @@ pub struct RecordingPassStep<StepsRecorder>(PhantomData<StepsRecorder>)
 where
     StepsRecorder: Recorder;
 
-impl<StepsRecorder> BatchStepBehaviour<NaiveDate, Vec<DateValue<String>>, ()>
+impl<StepsRecorder> BatchStepBehaviour<NaiveDate, Vec<DateValue<String>>>
     for RecordingPassStep<StepsRecorder>
 where
-    StepsRecorder: Recorder<Data = StepInput<Vec<DateValue<String>>, ()>>,
+    StepsRecorder: Recorder<Data = StepInput<Vec<DateValue<String>>>>,
 {
     async fn batch_update_values_step_with(
         db: &DatabaseConnection,
@@ -39,7 +38,6 @@ where
         min_blockscout_block: i64,
         last_accurate_point: DateValue<String>,
         main_data: Vec<DateValue<String>>,
-        resolution_data: (),
     ) -> Result<usize, UpdateError> {
         StepsRecorder::record(StepInput {
             chart_id,
@@ -47,7 +45,6 @@ where
             min_blockscout_block,
             last_accurate_point: last_accurate_point.clone(),
             main_data: main_data.clone(),
-            resolution_data,
         })
         .await;
         PassVecStep::batch_update_values_step_with(
@@ -57,7 +54,6 @@ where
             min_blockscout_block,
             last_accurate_point,
             main_data,
-            resolution_data,
         )
         .await
     }
diff --git a/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/mod.rs b/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/mod.rs
index ce27c16d3..3faef63f2 100644
--- a/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/mod.rs
+++ b/stats/stats/src/data_source/kinds/local_db/parameters/update/batching/parameters/mod.rs
@@ -29,7 +29,7 @@ gettable_const!(Batch30Years: TimespanDuration<Year> = TimespanDuration::from_ti
 /// Pass the vector data from main dependency right into the database
 pub struct PassVecStep;
 
-impl<Resolution> BatchStepBehaviour<Resolution, Vec<TimespanValue<Resolution, String>>, ()>
+impl<Resolution> BatchStepBehaviour<Resolution, Vec<TimespanValue<Resolution, String>>>
     for PassVecStep
 where
     Resolution: Timespan + Clone + Send + Sync,
@@ -41,7 +41,6 @@ where
         min_blockscout_block: i64,
         _last_accurate_point: TimespanValue<Resolution, String>,
         main_data: Vec<TimespanValue<Resolution, String>>,
-        _resolution_data: (),
     ) -> Result<usize, UpdateError> {
         let found = main_data.len();
         // note: right away cloning another chart will not result in exact copy,
diff --git a/stats/stats/src/data_source/kinds/local_db/parameters/update/point.rs b/stats/stats/src/data_source/kinds/local_db/parameters/update/point.rs
index 1bba427a6..aff213b95 100644
--- a/stats/stats/src/data_source/kinds/local_db/parameters/update/point.rs
+++ b/stats/stats/src/data_source/kinds/local_db/parameters/update/point.rs
@@ -12,7 +12,7 @@ use crate::{
 /// Store output of the `MainDep` right in the local db
 pub struct PassPoint<MainDep>(PhantomData<MainDep>);
 
-impl<MainDep, Resolution> UpdateBehaviour<MainDep, (), Resolution> for PassPoint<MainDep>
+impl<MainDep, Resolution> UpdateBehaviour<MainDep, Resolution> for PassPoint<MainDep>
 where
     MainDep: DataSource<Output = TimespanValue<Resolution, String>>,
     Resolution: Timespan + Clone + Send,
diff --git a/stats/stats/src/data_source/kinds/remote_db/mod.rs b/stats/stats/src/data_source/kinds/remote_db/mod.rs
index 0a68f44c5..774666e6b 100644
--- a/stats/stats/src/data_source/kinds/remote_db/mod.rs
+++ b/stats/stats/src/data_source/kinds/remote_db/mod.rs
@@ -53,7 +53,6 @@ pub trait RemoteQueryBehaviour {
 
 impl<Q: RemoteQueryBehaviour> DataSource for RemoteDatabaseSource<Q> {
     type MainDependencies = ();
-    type ResolutionDependencies = ();
     type Output = Q::Output;
     // No local state => no race conditions expected
     fn mutex_id() -> Option<String> {
diff --git a/stats/stats/src/data_source/mod.rs b/stats/stats/src/data_source/mod.rs
index d8d230ff7..d50a7b989 100644
--- a/stats/stats/src/data_source/mod.rs
+++ b/stats/stats/src/data_source/mod.rs
@@ -14,8 +14,7 @@
 //! Therefore, each "node" in stats (charts + deps) is represented by a separate type.
 //!
 //! All these types have common trait ([`DataSource`]) with relationships
-//! being associated types ([`MainDependencies`](DataSource::MainDependencies) and
-//! [`ResolutionDependencies`](DataSource::ResolutionDependencies)).
+//! being associated types ([`MainDependencies`](DataSource::MainDependencies).
 //! They can be [initialized](`DataSource::init_recursively`), [updated](DataSource::update_recursively),
 //! or [queried](DataSource::query_data).
 //!
diff --git a/stats/stats/src/data_source/source.rs b/stats/stats/src/data_source/source.rs
index 2f3fbb234..cf59772f3 100644
--- a/stats/stats/src/data_source/source.rs
+++ b/stats/stats/src/data_source/source.rs
@@ -29,8 +29,6 @@ pub trait DataSource {
     /// This data source relies on these sources for 'core' of its data.
     /// Tuple of data sources is also a data source.
     type MainDependencies: DataSource;
-    /// Additional data source that is used for computing other data resolutions.
-    type ResolutionDependencies: DataSource;
     /// Data that this source provides
     type Output: Send;
 
@@ -63,8 +61,6 @@ pub trait DataSource {
             // A → B
             tracing::debug!("recursively initializing main dependencies");
             Self::MainDependencies::init_recursively(db, init_time).await?;
-            tracing::debug!("recursively initializing resolution dependencies");
-            Self::ResolutionDependencies::init_recursively(db, init_time).await?;
             tracing::debug!("initializing itself");
             Self::init_itself(db, init_time).await
         }
@@ -94,7 +90,6 @@ pub trait DataSource {
     /// combined
     fn all_dependencies_mutex_ids() -> HashSet<String> {
         let mut ids = Self::MainDependencies::all_dependencies_mutex_ids();
-        ids.extend(Self::ResolutionDependencies::all_dependencies_mutex_ids());
         if let Some(self_id) = Self::mutex_id() {
             let is_not_duplicate = ids.insert(self_id.clone());
             // Type system shouldn't allow same type to be present in the dependencies,
@@ -127,8 +122,6 @@ pub trait DataSource {
             tracing::debug!("updating {}", type_name::<Self>());
             tracing::debug!("recursively updating primary dependency");
             Self::MainDependencies::update_recursively(cx).await?;
-            tracing::debug!("recursively updating secondary dependencies");
-            Self::ResolutionDependencies::update_recursively(cx).await?;
             tracing::debug!("updating itself");
             Self::update_itself(cx).await
         }
@@ -171,7 +164,6 @@ pub trait DataSource {
 // Base case for recursive type
 impl DataSource for () {
     type MainDependencies = ();
-    type ResolutionDependencies = ();
     type Output = ();
 
     fn mutex_id() -> Option<String> {
@@ -224,7 +216,6 @@ macro_rules! impl_data_source_for_tuple {
             ),+
         {
             type MainDependencies = ();
-            type ResolutionDependencies = ();
             type Output = ($(
                 $element_generic_name::Output
             ),+);
diff --git a/stats/stats/src/data_source/tests.rs b/stats/stats/src/data_source/tests.rs
index d224c9764..2ef53cbcd 100644
--- a/stats/stats/src/data_source/tests.rs
+++ b/stats/stats/src/data_source/tests.rs
@@ -200,7 +200,7 @@ pub type ContractsGrowthYearly = DirectVecLocalDbChartSource<
 #[allow(unused)]
 struct ContractsGrowthCustomBatchStepBehaviour;
 
-impl BatchStepBehaviour<NaiveDate, Vec<DateValue<String>>, ()>
+impl BatchStepBehaviour<NaiveDate, Vec<DateValue<String>>>
     for ContractsGrowthCustomBatchStepBehaviour
 {
     async fn batch_update_values_step_with(
@@ -210,7 +210,6 @@ impl BatchStepBehaviour<NaiveDate, Vec<DateValue<String>>, ()>
         _min_blockscout_block: i64,
         _last_accurate_point: DateValue<String>,
         _main_data: Vec<DateValue<String>>,
-        _resolution_data: (),
     ) -> Result<usize, UpdateError> {
         // do something (just an example, not intended for running)
         todo!();
@@ -223,7 +222,6 @@ impl BatchStepBehaviour<NaiveDate, Vec<DateValue<String>>, ()>
             _min_blockscout_block,
             _last_accurate_point,
             _main_data,
-            _resolution_data,
         )
         .await
     }
@@ -232,11 +230,9 @@ impl BatchStepBehaviour<NaiveDate, Vec<DateValue<String>>, ()>
 #[allow(unused)]
 type AlternativeContractsGrowth = LocalDbChartSource<
     NewContracts,
-    (),
     DefaultCreate<ContractsGrowthProperties>,
     BatchUpdate<
         NewContracts,
-        (),
         ContractsGrowthCustomBatchStepBehaviour,
         Batch30Days,
         DefaultQueryVec<ContractsGrowthProperties>,