diff --git a/analysis_options.yaml b/analysis_options.yaml
index b5f618f23b..fce5f08cfd 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -27,8 +27,9 @@ analyzer:
   errors:
     # treat missing required parameters as a warning (not a hint)
     missing_required_param: warning
+    # TODO: https://github.com/flutter/flutter/issues/20114
     # treat missing returns as a warning (not a hint)
-    missing_return: warning
+    missing_return: ignore
     # allow having TODOs in the code
     todo: ignore
   exclude:
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 7212eb509c..3021dc98c8 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-91ff524e63298a2d0e15c2a0d47e0a005524c51c
+a61fae08247c87b96ec1553fdac5ea6b4fe1a9ce
diff --git a/packages/flutter/lib/analysis_options_user.yaml b/packages/flutter/lib/analysis_options_user.yaml
index 22c05209b5..68fd1df00f 100644
--- a/packages/flutter/lib/analysis_options_user.yaml
+++ b/packages/flutter/lib/analysis_options_user.yaml
@@ -27,7 +27,8 @@ analyzer:
     # treat missing required parameters as a warning (not a hint)
     missing_required_param: warning
     # treat missing returns as a warning (not a hint)
-    missing_return: warning
+    # TODO: https://github.com/flutter/flutter/issues/20114
+    missing_return: ignore
     # allow having TODOs in the code
     todo: ignore