diff --git a/rust_webserver/interface/display.js b/rust_webserver/interface/display.js
index 811dfcfc0..f5e3a1833 100644
--- a/rust_webserver/interface/display.js
+++ b/rust_webserver/interface/display.js
@@ -1,5 +1,3 @@
-'use strict';
-
 import {
     generalPanel,
     classPanel,
diff --git a/rust_webserver/interface/index.js b/rust_webserver/interface/index.js
index 5e7fa27a9..53c21483b 100644
--- a/rust_webserver/interface/index.js
+++ b/rust_webserver/interface/index.js
@@ -1,5 +1,3 @@
-'use strict';
-
 import { MainDisplay, UnitDisplay } from './display.js';
 import { ExtSseq } from './sseq.js';
 import { renderLaTeX, download } from './utils.js';
diff --git a/rust_webserver/interface/panels.js b/rust_webserver/interface/panels.js
index 16b264611..09dbe2b32 100644
--- a/rust_webserver/interface/panels.js
+++ b/rust_webserver/interface/panels.js
@@ -1,5 +1,3 @@
-'use strict';
-
 import { STATE_ADD_DIFFERENTIAL } from './display.js';
 import { rowToKaTeX, rowToLaTeX, matrixToKaTeX, vecToName } from './utils.js';
 import { MIN_PAGE } from './sseq.js';
diff --git a/rust_webserver/interface/sseq.js b/rust_webserver/interface/sseq.js
index cb8c137cb..3424de2d8 100644
--- a/rust_webserver/interface/sseq.js
+++ b/rust_webserver/interface/sseq.js
@@ -1,5 +1,3 @@
-'use strict';
-
 import { promptClass, vecToName } from './utils.js';
 import { svgNS } from './chart.js';
 
diff --git a/rust_webserver/interface/utils.js b/rust_webserver/interface/utils.js
index b88a46114..59636a159 100644
--- a/rust_webserver/interface/utils.js
+++ b/rust_webserver/interface/utils.js
@@ -1,5 +1,3 @@
-'use strict';
-
 export function vecToName(v, names) {
     const items = [];
     for (let i = 0; i < v.length; i++) {
diff --git a/rust_webserver/wasm/index.js b/rust_webserver/wasm/index.js
index f05156467..83d2c77f6 100644
--- a/rust_webserver/wasm/index.js
+++ b/rust_webserver/wasm/index.js
@@ -1,5 +1,3 @@
-'use strict';
-
 import { MainDisplay, UnitDisplay } from './display.js';
 import { ExtSseq } from './sseq.js';
 import { renderLaTeX, download } from './utils.js';