diff --git a/modules/apps/vehicle-analytics-app/pom.xml b/modules/apps/vehicle-analytics-app/pom.xml
index f5668637..fb1eea4b 100644
--- a/modules/apps/vehicle-analytics-app/pom.xml
+++ b/modules/apps/vehicle-analytics-app/pom.xml
@@ -17,10 +17,6 @@
             <groupId>com.lingniu.ingest</groupId>
             <artifactId>ingest-api</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.lingniu.ingest</groupId>
-            <artifactId>observability</artifactId>
-        </dependency>
         <dependency>
             <groupId>com.lingniu.ingest</groupId>
             <artifactId>sink-kafka</artifactId>
diff --git a/modules/apps/vehicle-history-app/pom.xml b/modules/apps/vehicle-history-app/pom.xml
index 7a9719d2..ba77b0a2 100644
--- a/modules/apps/vehicle-history-app/pom.xml
+++ b/modules/apps/vehicle-history-app/pom.xml
@@ -17,10 +17,6 @@
             <groupId>com.lingniu.ingest</groupId>
             <artifactId>ingest-api</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.lingniu.ingest</groupId>
-            <artifactId>observability</artifactId>
-        </dependency>
         <dependency>
             <groupId>com.lingniu.ingest</groupId>
             <artifactId>sink-kafka</artifactId>
diff --git a/modules/apps/vehicle-history-app/src/test/java/com/lingniu/ingest/historyapp/MavenModuleProfileTest.java b/modules/apps/vehicle-history-app/src/test/java/com/lingniu/ingest/historyapp/MavenModuleProfileTest.java
index fff11f6f..7827419c 100644
--- a/modules/apps/vehicle-history-app/src/test/java/com/lingniu/ingest/historyapp/MavenModuleProfileTest.java
+++ b/modules/apps/vehicle-history-app/src/test/java/com/lingniu/ingest/historyapp/MavenModuleProfileTest.java
@@ -283,6 +283,17 @@ class MavenModuleProfileTest {
                 .isFalse();
     }
 
+    @Test
+    void consumerAppsDoNotDependOnPipelineObservabilityInterceptor() throws Exception {
+        for (String appPom : List.of(
+                "modules/apps/vehicle-history-app/pom.xml",
+                "modules/apps/vehicle-analytics-app/pom.xml")) {
+            assertThat(hasDependency(modulePom(appPom), "com.lingniu.ingest", "observability"))
+                    .as(appPom + " is a Kafka consumer/query runtime, not an ingest pipeline runtime")
+                    .isFalse();
+        }
+    }
+
     @Test
     void buildSurfaceDoesNotManageLombokWhenProductionSourcesDoNotUseIt() throws Exception {
         Document pom = rootPom();