diff --git a/layout/generic/ScrollContainerFrame.cpp b/layout/generic/ScrollContainerFrame.cpp
index d0ab722f4c38..1147acfdbafc 100644
--- a/layout/generic/ScrollContainerFrame.cpp
+++ b/layout/generic/ScrollContainerFrame.cpp
@@ -6104,21 +6104,10 @@ void ScrollContainerFrame::UpdateMinimumScaleSize(
return;
}
- WritingMode writingMode = GetWritingMode();
- LogicalRect logicalOverflow(writingMode, aScrollableOverflow, aICBSize);
- // Do not incorpolate __underflow__ area into the minimum-scale size,
- // otherwise the size will be bigger than expected.
- LogicalSize scrollableOverflowSize(
- writingMode,
- logicalOverflow.IStart(writingMode) + logicalOverflow.ISize(writingMode),
- logicalOverflow.BEnd(writingMode) + logicalOverflow.BSize(writingMode));
-
// The intrinsic minimum scale is the scale that fits the entire content
// width into the visual viewport.
CSSToScreenScale intrinsicMinScale(
- float(displaySize.width) /
- CSSRect::FromAppUnits(
- scrollableOverflowSize.GetPhysicalSize(writingMode).width));
+ displaySize.width / CSSRect::FromAppUnits(aScrollableOverflow).XMost());
// The scale used to compute the minimum-scale size is the larger of the
// intrinsic minimum and the min-scale from the meta viewport tag.
diff --git a/layout/reftests/meta-viewport/bug1913951.html b/layout/reftests/meta-viewport/bug1913951.html
deleted file mode 100644
index a489a3e42da8..000000000000
--- a/layout/reftests/meta-viewport/bug1913951.html
+++ /dev/null
@@ -1,22 +0,0 @@
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/layout/reftests/meta-viewport/reftest.list b/layout/reftests/meta-viewport/reftest.list
index 5608ccf6ab3a..240983dde280 100644
--- a/layout/reftests/meta-viewport/reftest.list
+++ b/layout/reftests/meta-viewport/reftest.list
@@ -41,7 +41,6 @@ pref(ui.useOverlayScrollbars,1) == overflow-hidden-region-with-negative-left-pos
== min-scale-aspect-ratio.html about:blank
pref(layout.dynamic-toolbar-max-height,100) == device-height-with-dynamic-toolbar.html device-height-with-dynamic-toolbar-ref.html
== reflow-on-minimum-scale-size.html about:blank
-== bug1913951.html about:blank
# The next two tests (desktop-mode.html and desktop-mode-cleanup.html) must run
# consecutively; do not insert anything between them. (As the naming suggests,