diff --git a/fonts/otf_mono/OverpassMono-Bold.otf b/fonts/otf_mono/OverpassMono-Bold.otf
index 931b7e5..4afaf6f 100644
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diff --git a/fonts/otf_mono/OverpassMono-Light.otf b/fonts/otf_mono/OverpassMono-Light.otf
index 19d2dbe..da67fad 100644
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diff --git a/fonts/otf_mono/OverpassMono-Medium.otf b/fonts/otf_mono/OverpassMono-Medium.otf
index e7ead7e..9d55acc 100644
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diff --git a/fonts/otf_mono/OverpassMono-Regular.otf b/fonts/otf_mono/OverpassMono-Regular.otf
index 6c65c3e..ca6dff2 100644
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diff --git a/fonts/otf_mono/OverpassMono-SemiBold.otf b/fonts/otf_mono/OverpassMono-SemiBold.otf
index b4447f3..4cd218a 100644
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diff --git a/fonts/ttf_mono/OverpassMono-Bold.ttf b/fonts/ttf_mono/OverpassMono-Bold.ttf
index 7202937..ef19c51 100644
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diff --git a/fonts/ttf_mono/OverpassMono-Light.ttf b/fonts/ttf_mono/OverpassMono-Light.ttf
index 693e04f..7888e05 100644
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diff --git a/fonts/ttf_mono/OverpassMono-Medium.ttf b/fonts/ttf_mono/OverpassMono-Medium.ttf
index 4324c0e..76ad0f7 100644
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diff --git a/fonts/ttf_mono/OverpassMono-Regular.ttf b/fonts/ttf_mono/OverpassMono-Regular.ttf
index 18ac0a1..59b70d8 100644
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diff --git a/fonts/ttf_mono/OverpassMono-SemiBold.ttf b/fonts/ttf_mono/OverpassMono-SemiBold.ttf
index c569b1c..2e310bc 100644
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diff --git a/fonts/variable_mono/OverpassMono[wght].ttf b/fonts/variable_mono/OverpassMono[wght].ttf
index a117fca..1392074 100644
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diff --git a/fonts/webfonts_mono/OverpassMono-Bold.woff2 b/fonts/webfonts_mono/OverpassMono-Bold.woff2
index 737537f..b6a70b2 100644
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diff --git a/fonts/webfonts_mono/OverpassMono-Light.woff2 b/fonts/webfonts_mono/OverpassMono-Light.woff2
index fdcd8a0..1104105 100644
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diff --git a/fonts/webfonts_mono/OverpassMono-Medium.woff2 b/fonts/webfonts_mono/OverpassMono-Medium.woff2
index f128557..b21b254 100644
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diff --git a/fonts/webfonts_mono/OverpassMono-Regular.woff2 b/fonts/webfonts_mono/OverpassMono-Regular.woff2
index a333b02..ed98bfa 100644
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diff --git a/fonts/webfonts_mono/OverpassMono-SemiBold.woff2 b/fonts/webfonts_mono/OverpassMono-SemiBold.woff2
index 13e8892..fa91a31 100644
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diff --git a/sources/OverpassMono.glyphs b/sources/OverpassMono.glyphs
index 3039445..fbf58e7 100644
--- a/sources/OverpassMono.glyphs
+++ b/sources/OverpassMono.glyphs
@@ -180,7 +180,7 @@ name = case;
 },
 {
 automatic = 1;
-code = "lookupflag IgnoreMarks;\012sub f f i by f_f_i;\012sub f f l by f_f_l;\012sub f f by f_f;\012sub f i by fi;\012sub f l by fl;\012";
+code = "# Disabled in Overpass Mono to preserve monospaced text advances.\012";
 name = liga;
 },
 {