diff --git a/Editor/Build/Platform/BuildAndroid.cs b/Editor/Build/Platform/BuildAndroid.cs
index ca3d3b1..5b45c66 100644
--- a/Editor/Build/Platform/BuildAndroid.cs
+++ b/Editor/Build/Platform/BuildAndroid.cs
@@ -51,14 +51,8 @@ public override void Init()
                         .ToArray(),
                     0),
                     new BuildVariant(_textureCompressionVariantId, EnumNamesToArray<MobileTextureSubtarget>(), 0),
-#if UNITY_2019_1_OR_NEWER
                     new BuildVariant(_buildSystemVariantId, new string[] { "Gradle" }, 0),
-#else
-                    new BuildVariant(_buildSystemVariantId, new string[] { "Internal", "Gradle" }, 0),
-#endif
-#if UNITY_2018_2_OR_NEWER
                     new BuildVariant(_splitApksVariantId, new string[] { "Disabled", "Enabled" }, 0),
-#endif
                     new BuildVariant(_minSdkVersionVariantId, EnumNamesToArray<AndroidSdkVersions>()
                         .Select(i => i.Replace(_androidApiLevelEnumPrefix, ""))
                         .ToArray(),
@@ -84,11 +78,9 @@ public override void ApplyVariant()
                     case _buildSystemVariantId:
                         SetBuildSystem(key);
                         break;
-#if UNITY_2018_2_OR_NEWER
                     case _splitApksVariantId:
                         SetSplitApks(key);
                         break;
-#endif
                     case _minSdkVersionVariantId:
                         SetMinSdkVersion(key);
                         break;
@@ -113,12 +105,10 @@ private void SetBuildSystem(string key)
                 = EnumValueFromKey<AndroidBuildSystem>(key);
         }
 
-#if UNITY_2018_2_OR_NEWER
         private void SetSplitApks(string key)
         {
             PlayerSettings.Android.buildApkPerCpuArchitecture = key == "Enabled";
         }
-#endif
 
         private void SetMinSdkVersion(string key)
         {
diff --git a/Editor/Build/Platform/BuildLinux.cs b/Editor/Build/Platform/BuildLinux.cs
index fd44ec7..5a35d44 100644
--- a/Editor/Build/Platform/BuildLinux.cs
+++ b/Editor/Build/Platform/BuildLinux.cs
@@ -28,20 +28,12 @@ public override void Init()
             if (architectures == null || architectures.Length == 0)
             {
                 architectures = new BuildArchitecture[] {
-                    new BuildArchitecture(BuildTarget.StandaloneLinux64, "Linux x64", false, "{0}.x86_64"),
+                    new BuildArchitecture(BuildTarget.StandaloneLinux64, "Linux x64", true, "{0}.x86_64"),
     #if !UNITY_2019_2_OR_NEWER
-                    new BuildArchitecture(BuildTarget.StandaloneLinuxUniversal, "Linux Universal", true, "{0}"),
+                    new BuildArchitecture(BuildTarget.StandaloneLinuxUniversal, "Linux Universal", false, "{0}"),
                     new BuildArchitecture(BuildTarget.StandaloneLinux, "Linux x86", false, "{0}.x86"),
     #endif
                 };
-
-#if UNITY_2018_3_OR_NEWER
-                architectures[0].enabled = true;
-#endif
-
-#if UNITY_2018_3_OR_NEWER && !UNITY_2019_2_OR_NEWER
-                architectures[1].enabled = false;
-#endif
             }
         }
     }