diff --git a/Libraries/LibWeb/Layout/FormattingContext.cpp b/Libraries/LibWeb/Layout/FormattingContext.cpp
index b7d3882890e..db4f4e7f684 100644
--- a/Libraries/LibWeb/Layout/FormattingContext.cpp
+++ b/Libraries/LibWeb/Layout/FormattingContext.cpp
@@ -1914,8 +1914,6 @@ bool FormattingContext::should_treat_max_width_as_none(Box const& box, Available
return true;
if (available_width.is_max_content() && max_width.is_max_content())
return true;
- if (box.is_absolutely_positioned())
- return false;
if (max_width.contains_percentage()) {
if (available_width.is_max_content())
return true;
@@ -1942,8 +1940,6 @@ bool FormattingContext::should_treat_max_height_as_none(Box const& box, Availabl
auto const& max_height = box.computed_values().max_height();
if (max_height.is_none())
return true;
- if (box.is_absolutely_positioned())
- return false;
if (max_height.contains_percentage()) {
if (available_height.is_min_content())
return false;
diff --git a/Tests/LibWeb/Text/expected/wpt-import/css/css-sizing/keyword-sizes-on-abspos.txt b/Tests/LibWeb/Text/expected/wpt-import/css/css-sizing/keyword-sizes-on-abspos.txt
new file mode 100644
index 00000000000..d90c2bf9bee
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/css/css-sizing/keyword-sizes-on-abspos.txt
@@ -0,0 +1,66 @@
+Harness status: OK
+
+Found 60 tests
+
+34 Pass
+26 Fail
+Pass .test 1
+Pass .test 2
+Fail .test 3
+Pass .test 4
+Pass .test 5
+Pass .test 6
+Pass .test 7
+Fail .test 8
+Pass .test 9
+Fail .test 10
+Pass .test 11
+Pass .test 12
+Fail .test 13
+Pass .test 14
+Fail .test 15
+Pass .test 16
+Pass .test 17
+Pass .test 18
+Pass .test 19
+Pass .test 20
+Pass .test 21
+Pass .test 22
+Pass .test 23
+Pass .test 24
+Fail .test 25
+Pass .test 26
+Pass .test 27
+Pass .test 28
+Pass .test 29
+Fail .test 30
+Pass .test 31
+Fail .test 32
+Fail .test 33
+Fail .test 34
+Pass .test 35
+Pass .test 36
+Fail .test 37
+Fail .test 38
+Fail .test 39
+Fail .test 40
+Pass .test 41
+Fail .test 42
+Fail .test 43
+Fail .test 44
+Fail .test 45
+Pass .test 46
+Pass .test 47
+Pass .test 48
+Pass .test 49
+Pass .test 50
+Pass .test 51
+Fail .test 52
+Fail .test 53
+Fail .test 54
+Fail .test 55
+Pass .test 56
+Fail .test 57
+Fail .test 58
+Fail .test 59
+Fail .test 60
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/input/wpt-import/css/css-sizing/keyword-sizes-on-abspos.html b/Tests/LibWeb/Text/input/wpt-import/css/css-sizing/keyword-sizes-on-abspos.html
new file mode 100644
index 00000000000..4cfe345fdf7
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/css/css-sizing/keyword-sizes-on-abspos.html
@@ -0,0 +1,306 @@
+
+Keyword sizes on absolutely positioned box
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