diff --git a/datalayer/watch/api/current.api b/datalayer/watch/api/current.api
index 56e7154b2e..9f19b3d55a 100644
--- a/datalayer/watch/api/current.api
+++ b/datalayer/watch/api/current.api
@@ -11,8 +11,6 @@ package com.google.android.horologist.datalayer.watch {
     method public suspend Object? markComplicationAsDeactivated(int complicationInstanceId, kotlin.coroutines.Continuation<? super kotlin.Unit>);
     method public suspend Object? markSetupComplete(kotlin.coroutines.Continuation<? super kotlin.Unit>);
     method public suspend Object? markSetupNoLongerComplete(kotlin.coroutines.Continuation<? super kotlin.Unit>);
-    method @Deprecated public suspend Object? markTileAsInstalled(String tileName, kotlin.coroutines.Continuation<? super kotlin.Unit>);
-    method @Deprecated public suspend Object? markTileAsRemoved(String tileName, kotlin.coroutines.Continuation<? super kotlin.Unit>);
     method @CheckResult public suspend Object? startCompanion(String nodeId, kotlin.coroutines.Continuation<? super com.google.android.horologist.data.AppHelperResultCode>);
     method public suspend Object? updateInstalledTiles(kotlin.coroutines.Continuation<? super kotlin.Unit>);
     property public kotlinx.coroutines.flow.Flow<java.util.Set<com.google.android.gms.wearable.Node>> connectedAndInstalledNodes;
diff --git a/datalayer/watch/src/main/java/com/google/android/horologist/datalayer/watch/WearDataLayerAppHelper.kt b/datalayer/watch/src/main/java/com/google/android/horologist/datalayer/watch/WearDataLayerAppHelper.kt
index c317577e3a..bf193d18c9 100644
--- a/datalayer/watch/src/main/java/com/google/android/horologist/datalayer/watch/WearDataLayerAppHelper.kt
+++ b/datalayer/watch/src/main/java/com/google/android/horologist/datalayer/watch/WearDataLayerAppHelper.kt
@@ -151,28 +151,6 @@ public class WearDataLayerAppHelper internal constructor(
         return sendRequestWithTimeout(nodeId, LAUNCH_APP, request.toByteArray())
     }
 
-    /**
-     * Marks a tile as installed. Call this in [TileService#onTileAddEvent]. Supplying a name is
-     * mandatory to disambiguate from the installation or removal of other tiles your app may have.
-     *
-     * @param tileName The name of the tile.
-     */
-    @Deprecated("Please use updateInstalledTiles instead")
-    public suspend fun markTileAsInstalled(tileName: String) {
-        surfacesInfoDataStore.updateData { info ->
-            val tile = tileInfo {
-                timestamp = System.currentTimeMillis().toProtoTimestamp()
-                name = tileName
-            }
-            info.copy {
-                val exists = tiles.find { it.equalWithoutTimestamp(tile) } != null
-                if (!exists) {
-                    tiles.add(tile)
-                }
-            }
-        }
-    }
-
     /**
      * Updates the list of currently installed tiles on this watch.
      *
@@ -269,29 +247,6 @@ public class WearDataLayerAppHelper internal constructor(
         }
     }
 
-    /**
-     * Marks a tile as removed. Call this in [TileService#onTileRemoveEvent]. Supplying a name is
-     * mandatory to disambiguate from the installation or removal of other tiles your app may have.
-     *
-     * @param tileName The name of the tile.
-     */
-    @Deprecated("Please use updateInstalledTiles instead")
-    public suspend fun markTileAsRemoved(tileName: String) {
-        surfacesInfoDataStore.updateData { info ->
-            val tile = tileInfo {
-                timestamp = System.currentTimeMillis().toProtoTimestamp()
-                name = tileName
-            }
-            info.copy {
-                val filtered = tiles.filter { !tile.equalWithoutTimestamp(it) }
-                if (filtered.size != tiles.size) {
-                    tiles.clear()
-                    tiles.addAll(filtered)
-                }
-            }
-        }
-    }
-
     /**
      * Marks a complication as activated. Call this in
      * [ComplicationDataSourceService.onComplicationActivated].
diff --git a/datalayer/watch/src/test/java/com/google/android/horologist/datalayer/watch/WearDataLayerAppHelperTest.kt b/datalayer/watch/src/test/java/com/google/android/horologist/datalayer/watch/WearDataLayerAppHelperTest.kt
index 66532912dd..258d0a1e3b 100644
--- a/datalayer/watch/src/test/java/com/google/android/horologist/datalayer/watch/WearDataLayerAppHelperTest.kt
+++ b/datalayer/watch/src/test/java/com/google/android/horologist/datalayer/watch/WearDataLayerAppHelperTest.kt
@@ -77,43 +77,6 @@ class WearDataLayerAppHelperTest {
         coroutineContext.cancelChildren()
     }
 
-    @Test
-    fun testTiles() = runTest {
-        val context = ApplicationProvider.getApplicationContext<Application>()
-        val registry = WearDataLayerRegistry.fromContext(context, this)
-
-        val testDataStore: DataStore<SurfacesInfo> =
-            DataStoreFactory.create(
-                scope = this,
-                produceFile = { context.dataStoreFile("testTiles") },
-                serializer = SurfacesInfoSerializer,
-            )
-
-        val helper = WearDataLayerAppHelper(
-            context = context,
-            registry = registry,
-            appStoreUri = null,
-            scope = this,
-            surfacesInfoDataStoreFn = { testDataStore },
-        )
-
-        val infoInitial = testDataStore.data.first()
-        assertThat(infoInitial.tilesList).isEmpty()
-
-        helper.markTileAsInstalled("my.SampleTileService")
-
-        val infoUpdated = testDataStore.data.first()
-        assertThat(infoUpdated.tilesList).hasSize(1)
-        assertThat(infoUpdated.tilesList.first().name).isEqualTo("my.SampleTileService")
-
-        helper.markTileAsRemoved("my.SampleTileService")
-
-        val infoReverted = testDataStore.data.first()
-        assertThat(infoReverted.tilesList).isEmpty()
-
-        coroutineContext.cancelChildren()
-    }
-
     @Test
     fun testComplications() = runTest {
         val context = ApplicationProvider.getApplicationContext<Application>()