diff --git a/relay-cabi/src/processing.rs b/relay-cabi/src/processing.rs
index 587a3bd56bf..194198489b1 100644
--- a/relay-cabi/src/processing.rs
+++ b/relay-cabi/src/processing.rs
@@ -261,7 +261,6 @@ pub unsafe extern "C" fn relay_store_normalizer_normalize_event(
         is_renormalize,
         remove_other: config.remove_other.unwrap_or(!is_renormalize),
         emit_event_errors: !is_renormalize,
-        device_class_synthesis_config: false, // only supported in relay
         enrich_spans: false,
         max_tag_value_length: usize::MAX,
         span_description_rules: None,
diff --git a/relay-dynamic-config/src/feature.rs b/relay-dynamic-config/src/feature.rs
index 3e7c55adc1a..d73e0748390 100644
--- a/relay-dynamic-config/src/feature.rs
+++ b/relay-dynamic-config/src/feature.rs
@@ -29,13 +29,6 @@ pub enum Feature {
     /// Serialized as `organizations:session-replay-video-disabled`.
     #[serde(rename = "organizations:session-replay-video-disabled")]
     SessionReplayVideoDisabled,
-    /// Enables device.class synthesis
-    ///
-    /// Enables device.class tag synthesis on mobile events.
-    ///
-    /// Serialized as `organizations:device-class-synthesis`.
-    #[serde(rename = "organizations:device-class-synthesis")]
-    DeviceClassSynthesis,
     /// Allow ingestion of metrics in the "custom" namespace.
     ///
     /// Serialized as `organizations:custom-metrics`.
diff --git a/relay-event-normalization/src/event.rs b/relay-event-normalization/src/event.rs
index 4459e1f9a96..6e09c104ce3 100644
--- a/relay-event-normalization/src/event.rs
+++ b/relay-event-normalization/src/event.rs
@@ -120,9 +120,6 @@ pub struct NormalizationConfig<'a> {
     /// When enabled, adds errors in the meta to the event's errors.
     pub emit_event_errors: bool,
 
-    /// When `true`, infers the device class from CPU and model.
-    pub device_class_synthesis_config: bool,
-
     /// When `true`, extracts tags from event and spans and materializes them into `span.data`.
     pub enrich_spans: bool,
 
@@ -190,7 +187,6 @@ impl Default for NormalizationConfig<'_> {
             is_renormalize: Default::default(),
             remove_other: Default::default(),
             emit_event_errors: Default::default(),
-            device_class_synthesis_config: Default::default(),
             enrich_spans: Default::default(),
             max_tag_value_length: usize::MAX,
             span_description_rules: Default::default(),
@@ -309,9 +305,7 @@ fn normalize(event: &mut Event, meta: &mut Meta, config: &NormalizationConfig) {
     normalize_event_tags(event); // Tags are added to every metric
 
     // TODO: Consider moving to store normalization
-    if config.device_class_synthesis_config {
-        normalize_device_class(event);
-    }
+    normalize_device_class(event);
     normalize_stacktraces(event);
     normalize_exceptions(event); // Browser extension filters look at the stacktrace
     normalize_user_agent(event, config.normalize_user_agent); // Legacy browsers filter
diff --git a/relay-server/src/processing/utils/event.rs b/relay-server/src/processing/utils/event.rs
index ea7ff592060..cae32ddfefb 100644
--- a/relay-server/src/processing/utils/event.rs
+++ b/relay-server/src/processing/utils/event.rs
@@ -278,7 +278,6 @@ pub fn normalize(
             transaction_name_config: TransactionNameConfig {
                 rules: &project_info.config.tx_name_rules,
             },
-            device_class_synthesis_config: project_info.has_feature(Feature::DeviceClassSynthesis),
             enrich_spans: true,
             max_tag_value_length: ctx
                 .config
diff --git a/relay-server/tests/snapshots/test_fixtures__cocoa__pii_stripping.snap b/relay-server/tests/snapshots/test_fixtures__cocoa__pii_stripping.snap
index 61ac814712b..92446733ac7 100644
--- a/relay-server/tests/snapshots/test_fixtures__cocoa__pii_stripping.snap
+++ b/relay-server/tests/snapshots/test_fixtures__cocoa__pii_stripping.snap
@@ -810,6 +810,10 @@ expression: SerializableAnnotated(& event)
     [
       "a",
       "b"
+    ],
+    [
+      "device.class",
+      "2"
     ]
   ],
   "extra": {