diff --git a/crates/router/src/core/admin.rs b/crates/router/src/core/admin.rs
index 30f7094348..9652bfdd52 100644
--- a/crates/router/src/core/admin.rs
+++ b/crates/router/src/core/admin.rs
@@ -23,7 +23,7 @@ use masking::{ExposeInterface, PeekInterface, Secret};
 use pm_auth::types as pm_auth_types;
 use uuid::Uuid;
 
-use super::routing::helpers::{redact_cgraph_cache, update_default_fallback_on_mca_update};
+use super::routing::helpers::redact_cgraph_cache;
 #[cfg(any(feature = "v1", feature = "v2"))]
 use crate::types::transformers::ForeignFrom;
 use crate::{
@@ -2873,7 +2873,7 @@ pub async fn update_connector(
     let updated_mca = db
         .update_merchant_connector_account(
             key_manager_state,
-            mca,
+            mca.clone(),
             payment_connector.into(),
             &key_store,
         )
@@ -2894,8 +2894,33 @@ pub async fn update_connector(
     // redact cgraph cache on connector updation
     redact_cgraph_cache(&state, merchant_id, &profile_id).await?;
 
-    // update default fallback config
-    update_default_fallback_on_mca_update(&state, merchant_id, &profile_id, &updated_mca).await?;
+    // redact routing cache on connector updation
+    #[cfg(feature = "v1")]
+    let merchant_config = MerchantDefaultConfigUpdate {
+        routable_connector: &Some(
+            common_enums::RoutableConnectors::from_str(&mca.connector_name).map_err(|_| {
+                errors::ApiErrorResponse::InvalidDataValue {
+                    field_name: "connector_name",
+                }
+            })?,
+        ),
+        merchant_connector_id: &mca.get_id(),
+        store: db,
+        merchant_id,
+        profile_id: &mca.profile_id,
+        transaction_type: &mca.connector_type.into(),
+    };
+
+    #[cfg(feature = "v1")]
+    if req.disabled.unwrap_or(false) {
+        merchant_config
+            .retrieve_and_delete_from_default_fallback_routing_algorithm_if_routable_connector_exists()
+            .await?;
+    } else {
+        merchant_config
+            .retrieve_and_update_default_fallback_routing_algorithm_if_routable_connector_exists()
+            .await?;
+    }
 
     let response = updated_mca.foreign_try_into()?;
 
diff --git a/crates/router/src/core/routing/helpers.rs b/crates/router/src/core/routing/helpers.rs
index 03e24ca2bf..e5671e2edb 100644
--- a/crates/router/src/core/routing/helpers.rs
+++ b/crates/router/src/core/routing/helpers.rs
@@ -2,9 +2,11 @@
 //!
 //! Functions that are used to perform the retrieval of merchant's
 //! routing dict, configs, defaults
+use std::fmt::Debug;
+#[cfg(all(feature = "dynamic_routing", feature = "v1"))]
+use std::str::FromStr;
 #[cfg(all(feature = "dynamic_routing", feature = "v1"))]
 use std::sync::Arc;
-use std::{fmt::Debug, str::FromStr};
 
 #[cfg(feature = "v1")]
 use api_models::open_router;
@@ -2788,50 +2790,3 @@ pub async fn redact_routing_cache(
 
     Ok(())
 }
-
-pub async fn update_default_fallback_on_mca_update(
-    state: &SessionState,
-    merchant_id: &id_type::MerchantId,
-    profile_id: &id_type::ProfileId,
-    updated_mca: &hyperswitch_domain_models::merchant_connector_account::MerchantConnectorAccount,
-) -> RouterResult<()> {
-    let db = state.store.as_ref();
-    let merchant_id_str = merchant_id.get_string_repr();
-    let profile_id_str = profile_id.get_string_repr();
-    let txn_type = &storage::enums::TransactionType::from(updated_mca.connector_type);
-
-    let mut connectors = get_merchant_default_config(db, merchant_id_str, txn_type).await?;
-
-    let choice = routing_types::RoutableConnectorChoice {
-        choice_kind: routing_types::RoutableChoiceKind::FullStruct,
-        connector: api_models::enums::RoutableConnectors::from_str(
-            &updated_mca.connector_name.to_string(),
-        )
-        .change_context(errors::ApiErrorResponse::IncorrectConnectorNameGiven)
-        .attach_printable(format!(
-            "Unable to parse RoutableConnectors from connector: {}",
-            updated_mca.connector_name
-        ))?,
-        merchant_connector_id: Some(updated_mca.get_id().clone()),
-    };
-
-    if updated_mca.disabled.unwrap_or(false)
-        || updated_mca.status == api_models::enums::ConnectorStatus::Inactive
-    {
-        // remove if disabled
-        connectors.retain(|c| c.merchant_connector_id != Some(updated_mca.get_id().clone()));
-    } else {
-        // ensure it is present if enabled
-        if !connectors.contains(&choice) {
-            connectors.push(choice);
-        }
-    }
-
-    // update merchant config
-    update_merchant_default_config(db, merchant_id_str, connectors.clone(), txn_type).await?;
-
-    // update profile config
-    update_merchant_default_config(db, profile_id_str, connectors, txn_type).await?;
-
-    Ok(())
-}