diff --git a/script/release-notes/legacy-pr-semantic-map.csv b/script/release-notes/legacy-pr-semantic-map.csv
deleted file mode 100644
index f8d4d8f37288..000000000000
--- a/script/release-notes/legacy-pr-semantic-map.csv
+++ /dev/null
@@ -1,193 +0,0 @@
-12884,fix
-12093,feat
-12595,doc
-12674,doc
-12577,doc
-12084,doc
-12103,doc
-12948,build
-12496,feat
-13133,build
-12651,build
-12767,doc
-12238,build
-12646,build
-12373,doc
-12723,feat
-12202,doc
-12504,doc
-12669,doc
-13044,feat
-12746,spec
-12617,doc
-12532,feat
-12619,feat
-12118,build
-12921,build
-13281,doc
-12059,feat
-12131,doc
-12123,doc
-12080,build
-12904,fix
-12562,fix
-12122,spec
-12817,spec
-12254,fix
-12999,vendor
-13248,vendor
-12104,build
-12477,feat
-12648,refactor
-12649,refactor
-12650,refactor
-12673,refactor
-12305,refactor
-12168,refactor
-12627,refactor
-12446,doc
-12304,refactor
-12615,breaking-change
-12135,feat
-12155,doc
-12975,fix
-12501,fix
-13065,fix
-13089,build
-12786,doc
-12736,doc
-11966,doc
-12885,fix
-12984,refactor
-12187,build
-12535,refactor
-12538,feat
-12190,fix
-12139,fix
-11328,fix
-12828,feat
-12614,feat
-12546,feat
-12647,refactor
-12987,build
-12900,doc
-12389,doc
-12387,doc
-12232,doc
-12742,build
-12043,fix
-12741,fix
-12995,fix
-12395,fix
-12003,build
-12216,fix
-12132,fix
-12062,fix
-12968,doc
-12422,doc
-12149,doc
-13339,build
-12044,fix
-12327,fix
-12180,fix
-12263,spec
-12153,spec
-13055,feat
-12113,doc
-12067,doc
-12882,build
-13029,build
-13067,doc
-12196,build
-12797,doc
-12013,fix
-12507,fix
-11607,feat
-12837,build
-11613,feat
-12015,spec
-12058,doc
-12403,spec
-12192,feat
-12204,doc
-13294,doc
-12542,doc
-12826,refactor
-12781,doc
-12157,fix
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-12188,build
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-12145,doc
-12661,refactor
-8953,fix
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-12186,spec
-12397,fix
-12040,doc
-12886,refactor
-12008,refactor
-12716,refactor
-12750,refactor
-12787,refactor
-12858,refactor
-12140,refactor
-12503,refactor
-12514,refactor
-12584,refactor
-12596,refactor
-12637,refactor
-12660,refactor
-12696,refactor
-12877,refactor
-13030,refactor
-12916,build
-12896,build
-13039,breaking-change
-11927,build
-12847,doc
-12852,doc
-12194,fix
-12870,doc
-12924,fix
-12682,doc
-12004,refactor
-12601,refactor
-12998,fix
-13105,vendor
-12452,doc
-12738,fix
-12536,refactor
-12189,spec
-13122,spec
-12662,fix
-12665,doc
-12419,feat
-12756,doc
-12616,refactor
-12679,breaking-change
-12000,doc
-12372,build
-12805,build
-12348,fix
-12315,doc
-12072,doc
-12912,doc
-12982,fix
-12105,doc
-12917,spec
-12400,doc
-12101,feat
-12642,build
-13058,fix
-12913,vendor
-13298,vendor
-13042,build
-11230,feat
-11459,feat
-12476,vendor
-11937,doc
-12328,build
-12539,refactor
-12127,build
-12537,build
diff --git a/script/release-notes/notes.js b/script/release-notes/notes.js
index 47aeb941805b..cee21f4ef568 100644
--- a/script/release-notes/notes.js
+++ b/script/release-notes/notes.js
@@ -23,18 +23,6 @@ const fixTypes = new Set(['fix'])
 const otherTypes = new Set(['spec', 'build', 'test', 'chore', 'deps', 'refactor', 'tools', 'vendor', 'perf', 'style', 'ci'])
 const knownTypes = new Set([...breakTypes.keys(), ...docTypes.keys(), ...featTypes.keys(), ...fixTypes.keys(), ...otherTypes.keys()])
 
-const semanticMap = new Map()
-for (const line of fs.readFileSync(path.resolve(__dirname, 'legacy-pr-semantic-map.csv'), 'utf8').split('\n')) {
-  if (!line) {
-    continue
-  }
-  const bits = line.split(',')
-  if (bits.length !== 2) {
-    continue
-  }
-  semanticMap.set(bits[0], bits[1])
-}
-
 const runGit = async (dir, args) => {
   const response = await GitProcess.exec(args, dir)
   if (response.exitCode !== 0) {