diff --git a/addons/xterm-addon-serialize/benchmark/SerializeAddon.benchmark.ts b/addons/xterm-addon-serialize/benchmark/SerializeAddon.benchmark.ts
index 87741b63..b60dba1d 100644
--- a/addons/xterm-addon-serialize/benchmark/SerializeAddon.benchmark.ts
+++ b/addons/xterm-addon-serialize/benchmark/SerializeAddon.benchmark.ts
@@ -31,11 +31,11 @@ perfContext('Terminal: sh -c "dd if=/dev/urandom count=40 bs=1k | hexdump | lolc
     });
     const chunks: Buffer[] = [];
     let length = 0;
-    p.on('data', data => {
+    p.onData(data => {
       chunks.push(data as unknown as Buffer);
       length += data.length;
     });
-    await new Promise<void>(resolve => p.on('exit', () => resolve()));
+    await new Promise<void>(resolve => p.onExit(() => resolve()));
     contentUtf8 = Buffer.concat(chunks, length);
     // translate to content string
     const buffer = new Uint32Array(contentUtf8.length);
diff --git a/addons/xterm-addon-unicode-graphemes/benchmark/UnicodeGraphemeAddon.benchmark.ts b/addons/xterm-addon-unicode-graphemes/benchmark/UnicodeGraphemeAddon.benchmark.ts
index 6bdd3a92..f1acf8b3 100644
--- a/addons/xterm-addon-unicode-graphemes/benchmark/UnicodeGraphemeAddon.benchmark.ts
+++ b/addons/xterm-addon-unicode-graphemes/benchmark/UnicodeGraphemeAddon.benchmark.ts
@@ -34,11 +34,11 @@ perfContext('Terminal: ls -lR /usr/lib', () => {
     });
     const chunks: Buffer[] = [];
     let length = 0;
-    p.on('data', data => {
+    p.onData(data => {
       chunks.push(data as unknown as Buffer);
       length += data.length;
     });
-    await new Promise<void>(resolve => p.on('exit', () => resolve()));
+    await new Promise<void>(resolve => p.onExit(() => resolve()));
     contentUtf8 = Buffer.concat(chunks, length);
     // translate to content string
     const buffer = new Uint32Array(contentUtf8.length);
diff --git a/test/benchmark/Terminal.benchmark.ts b/test/benchmark/Terminal.benchmark.ts
index 578a83d0..d2b6ed8f 100644
--- a/test/benchmark/Terminal.benchmark.ts
+++ b/test/benchmark/Terminal.benchmark.ts
@@ -25,11 +25,11 @@ perfContext('Terminal: ls -lR /usr/lib', () => {
     });
     const chunks: Buffer[] = [];
     let length = 0;
-    p.on('data', data => {
+    p.onData(data => {
       chunks.push(data as unknown as Buffer);
       length += data.length;
     });
-    await new Promise<void>(resolve => p.on('exit', () => resolve()));
+    await new Promise<void>(resolve => p.onExit(() => resolve()));
     contentUtf8 = Buffer.concat(chunks, length);
     // translate to content string
     const buffer = new Uint32Array(contentUtf8.length);