diff --git a/CHANGELOG.md b/CHANGELOG.md
index da39f01..eeb4f26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 # Upcoming
 
+- Breaking: Remove unused option "retryDelayMillis"
+
 # v0.3.0
 
 Date: 2024-04-21T22:11:04.415Z
diff --git a/src/QueryBin.d.ts b/src/QueryBin.d.ts
index 24331e9..241a7f2 100644
--- a/src/QueryBin.d.ts
+++ b/src/QueryBin.d.ts
@@ -18,7 +18,6 @@ export class QueryBin<T, Q extends QueryDefinitions<T> = QueryDefinitions<T>> {
 }
 
 interface Options {
-  retryDelayMillis?: number;
   timeoutMillis?: number;
 }
 
diff --git a/src/QueryBin.js b/src/QueryBin.js
index a1f3f00..7df1b1d 100644
--- a/src/QueryBin.js
+++ b/src/QueryBin.js
@@ -1,10 +1,6 @@
 export class QueryBin {
-  constructor(
-    queries = {},
-    { retryDelayMillis = 200, timeoutMillis = 1000 } = {},
-  ) {
+  constructor(queries = {}, { timeoutMillis = 1000 } = {}) {
     this.values = [];
-    this.retryDelayMillis = retryDelayMillis;
     this.timeoutMillis = timeoutMillis;
 
     this.latch = new Latch();