diff --git a/src/UniTask/Assets/Plugins/UniTask/Runtime/UniTask.asmdef b/src/UniTask/Assets/Plugins/UniTask/Runtime/UniTask.asmdef
index e1fab8b..1c888bf 100644
--- a/src/UniTask/Assets/Plugins/UniTask/Runtime/UniTask.asmdef
+++ b/src/UniTask/Assets/Plugins/UniTask/Runtime/UniTask.asmdef
@@ -10,6 +10,11 @@
     "autoReferenced": true,
     "defineConstraints": [],
     "versionDefines": [
+        {
+            "name": "com.unity.modules.assetbundle",
+            "expression": "",
+            "define": "UNITASK_ASSETBUNDLE_SUPPORT"
+        }
     ],
     "noEngineReferences": false
 }
\ No newline at end of file
diff --git a/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.AssetBundleRequestAllAssets.cs b/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.AssetBundleRequestAllAssets.cs
index b1e23c0..076d255 100644
--- a/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.AssetBundleRequestAllAssets.cs
+++ b/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.AssetBundleRequestAllAssets.cs
@@ -1,6 +1,7 @@
 #pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
 
 #if UNITY_2018_4 || UNITY_2019_4_OR_NEWER
+#if UNITASK_ASSETBUNDLE_SUPPORT
 
 using Cysharp.Threading.Tasks.Internal;
 using System;
@@ -312,4 +313,5 @@ namespace Cysharp.Threading.Tasks
     }
 }
 
+#endif
 #endif
\ No newline at end of file
diff --git a/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.cs b/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.cs
index b045d96..5246bc1 100644
--- a/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.cs
+++ b/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.cs
@@ -605,6 +605,7 @@ namespace Cysharp.Threading.Tasks
 
         #endregion
 
+#if UNITASK_ASSETBUNDLE_SUPPORT
         #region AssetBundleRequest
 
         public static AssetBundleRequestAwaiter GetAwaiter(this AssetBundleRequest asyncOperation)
@@ -906,7 +907,9 @@ namespace Cysharp.Threading.Tasks
         }
 
         #endregion
+#endif
 
+#if UNITASK_ASSETBUNDLE_SUPPORT
         #region AssetBundleCreateRequest
 
         public static AssetBundleCreateRequestAwaiter GetAwaiter(this AssetBundleCreateRequest asyncOperation)
@@ -1208,6 +1211,7 @@ namespace Cysharp.Threading.Tasks
         }
 
         #endregion
+#endif
 
 #if ENABLE_UNITYWEBREQUEST
         #region UnityWebRequestAsyncOperation
diff --git a/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.tt b/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.tt
index ee4c457..0aba600 100644
--- a/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.tt
+++ b/src/UniTask/Assets/Plugins/UniTask/Runtime/UnityAsyncExtensions.tt
@@ -17,6 +17,7 @@
     Func<string, string> ToUniTaskReturnType = x => (x == "void") ? "UniTask" : $"UniTask<{x}>";
     Func<string, string> ToIUniTaskSourceReturnType = x => (x == "void") ? "IUniTaskSource" : $"IUniTaskSource<{x}>";
     Func<(string typeName, string returnType, string returnField), bool> IsUnityWebRequest = x => x.returnType == "UnityWebRequest";
+    Func<(string typeName, string returnType, string returnField), bool> IsAssetBundleModule = x => x.typeName == "AssetBundleRequest" || x.typeName == "AssetBundleCreateRequest";
     Func<(string typeName, string returnType, string returnField), bool> IsVoid = x => x.returnType == "void";
 #>
 #pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
@@ -37,6 +38,8 @@ namespace Cysharp.Threading.Tasks
 <# foreach(var t in types) { #>
 <# if(IsUnityWebRequest(t)) { #>
 #if ENABLE_UNITYWEBREQUEST
+<# } else if(IsAssetBundleModule(t)) { #>
+#if UNITASK_ASSETBUNDLE_SUPPORT
 <# } #>
         #region <#= t.typeName #>
 
@@ -422,7 +425,7 @@ namespace Cysharp.Threading.Tasks
         }
 
         #endregion
-<# if(IsUnityWebRequest(t)) { #>
+<# if(IsUnityWebRequest(t) || IsAssetBundleModule(t)) { #>
 #endif
 <# } #>