diff --git a/Source/Core/ElementDocument.cpp b/Source/Core/ElementDocument.cpp
index 7c6dc0b2f..7da99f72c 100644
--- a/Source/Core/ElementDocument.cpp
+++ b/Source/Core/ElementDocument.cpp
@@ -678,7 +678,7 @@ void ElementDocument::ProcessDefaultAction(Event& event)
 		if (key_identifier == Input::KI_LEFT || key_identifier == Input::KI_RIGHT || key_identifier == Input::KI_UP ||
 			key_identifier == Input::KI_DOWN)
 		{
-			SpatialSearchDirection direction;
+			SpatialSearchDirection direction {};
 			String propertyName;
 			switch (key_identifier)
             {
diff --git a/Source/Core/ElementStyle.cpp b/Source/Core/ElementStyle.cpp
index b8b2aa9c4..78cd5eeeb 100644
--- a/Source/Core/ElementStyle.cpp
+++ b/Source/Core/ElementStyle.cpp
@@ -869,6 +869,12 @@ PropertyIdSet ElementStyle::ComputeValues(Style::ComputedValues& values, const S
 		case PropertyId::FlexWrap:
 		case PropertyId::JustifyContent:
 			break;
+		// Navigation properties. Must be manually retrieved with 'GetProperty()'.
+		case PropertyId::NavUp:
+		case PropertyId::NavDown:
+		case PropertyId::NavLeft:
+		case PropertyId::NavRight:
+			break;
 		// Unhandled properties. Must be manually retrieved with 'GetProperty()'.
 		case PropertyId::FillImage:
 		case PropertyId::CaretColor: