diff --git a/engine/src/flutter/.gitignore b/engine/src/flutter/.gitignore
index b5f80bd40a..2e1362f0aa 100644
--- a/engine/src/flutter/.gitignore
+++ b/engine/src/flutter/.gitignore
@@ -5,6 +5,7 @@
 .DS_Store
 .classpath
 .cproject
+.dart_tool
 .gdb_history
 .checkstyle
 .gdbinit
diff --git a/engine/src/flutter/lib/ui/painting/image_encoding.cc b/engine/src/flutter/lib/ui/painting/image_encoding.cc
index 15d2d31c9e..c103d5d827 100644
--- a/engine/src/flutter/lib/ui/painting/image_encoding.cc
+++ b/engine/src/flutter/lib/ui/painting/image_encoding.cc
@@ -79,7 +79,6 @@ sk_sp<SkData> GetImageBytesAsRGBA(sk_sp<SkImage> image) {
       FXL_LOG(ERROR) << "Pixel address is not available.";
       return nullptr;
     }
-    ASSERT(pixmap.colorType() == kRGBA_8888_SkColorType);
 
     const size_t pixmap_size = pixmap.computeByteSize();
     return SkData::MakeWithCopy(pixmap.addr32(), pixmap_size);
diff --git a/engine/src/flutter/testing/dart/.gitignore b/engine/src/flutter/testing/dart/.gitignore
index 79f51c3d50..93d2a1eaed 100644
--- a/engine/src/flutter/testing/dart/.gitignore
+++ b/engine/src/flutter/testing/dart/.gitignore
@@ -1,3 +1,2 @@
-.dart_tool
 .packages
 pubspec.lock