diff --git a/BUILD.md b/BUILD.md
index ef67e289c..56ece42c5 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -54,3 +54,12 @@ $ emojicompat --op check --font Noto-COLRv1-emojicompat.ttf
 0 PUA point at wrong glyph
 3835 PUA correct
 0 Emji entries did NOT match a glyph
+```
+
+## Flags only
+
+```bash
+$ hb-subset --unicodes-file=flags-only-unicodes.txt \
+	--output-file=fonts/NotoColorEmoji-flagsonly.ttf \
+	fonts/NotoColorEmoji.ttf
+```
\ No newline at end of file
diff --git a/flags-only-unicodes.txt b/flags-only-unicodes.txt
new file mode 100644
index 000000000..421896aa9
--- /dev/null
+++ b/flags-only-unicodes.txt
@@ -0,0 +1,36 @@
+U+1f1e6
+U+1f1e7
+U+1f1e8
+U+1f1e9
+U+1f1ea
+U+1f1eb
+U+1f1ec
+U+1f1ed
+U+1f1ee
+U+1f1ef
+U+1f1f0
+U+1f1f1
+U+1f1f2
+U+1f1f3
+U+1f1f4
+U+1f1f5
+U+1f1f6
+U+1f1f7
+U+1f1f8
+U+1f1f9
+U+1f1fa
+U+1f1fb
+U+1f1fc
+U+1f1fd
+U+1f1fe
+U+1f1ff
+U+fe4e5
+U+fe4e6
+U+fe4e7
+U+fe4e8
+U+fe4e9
+U+fe4ea
+U+fe4eb
+U+fe4ec
+U+fe4ed
+U+fe4ee
\ No newline at end of file
diff --git a/fonts/NotoColorEmoji-flagsonly.ttf b/fonts/NotoColorEmoji-flagsonly.ttf
new file mode 100644
index 000000000..d3b8f2c8e
Binary files /dev/null and b/fonts/NotoColorEmoji-flagsonly.ttf differ