diff --git a/libs/core/images.jres b/libs/core/images.jres
index e6f01011..0e62c9f5 100644
--- a/libs/core/images.jres
+++ b/libs/core/images.jres
@@ -114,23 +114,7 @@
     "progressWaterLevel3": "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",
     "systemAccept1": "iVBORw0KGgoAAAANSUhEUgAAABgAAAAQAQAAAAAkX4I4AAAAQElEQVR42mM4wMDMsP//X4b6//+AWI6h/p8dQ/2fOob6H/8YKj/+Y6h4/I+hxvkfQx07UJ4fiOf/A6sF6QHqBQDsYh9jNdETHwAAAABJRU5ErkJggg==",
     "systemAccept2": "iVBORw0KGgoAAAANSUhEUgAAABgAAAAQAQAAAAAkX4I4AAAAQUlEQVR42mM4wMDMsP//X4YEBjYGB4ZHDA6MhxgcmJsYHNiZGNz4mBjcZZgYnPcwMTj+YGJw+ADECUxgtSA9QL0A+IIPxwiZFtwAAAAASUVORK5CYII=",
-    "systemAlert": "iVBORw0KGgoAAAANSUhEUgAAABgAAAAVAQAAAAB0khOLAAAARUlEQVR42iXD0QmAIAAE0IvWCtqmMbLG8MtVhAZwjBvALyE85XzwoE/QO8f5WPsd0K+An6c3Jq8sThIUUVg9qfmDDRn7AD/WMAQEJ+pCAAAAAElFTkSuQmCC",
     "systemBox": "iVBORw0KGgoAAAANSUhEUgAAABgAAAAQAQAAAAAkX4I4AAAAGklEQVR42mM4wMDMsP//X4b6//9IwiA9QL0AlQYkzY8nCoAAAAAASUVORK5CYII=",
-    "systemBusy0": "iVBORw0KGgoAAAANSUhEUgAAABMAAAAPAQAAAAAuP8mBAAAAMElEQVR42mPY/38Bg/x/BgbnHw4Msd8dGKLeA+k4IL0XSGdB6TioOFAepA6kHqgPAJCPFdTsOCPGAAAAAElFTkSuQmCC",
-    "systemBusy1": "iVBORw0KGgoAAAANSUhEUgAAAA8AAAATAQAAAABnuWoHAAAAOUlEQVR42mNoYGKw/8EAJO9/A6GrYQyv1jF8jWP4tY/hbx3D730M3+4xvH/HcO8bw90yhlvbGGDqAdjhGYsKgwC5AAAAAElFTkSuQmCC",
     "systemDecline1": "iVBORw0KGgoAAAANSUhEUgAAABgAAAAQAQAAAAAkX4I4AAAANUlEQVR42mM4wMDMsP//X4b6//8Y6urtGOrt6hjq5/xjqD8JxI+hGMQGiQHlwGqAakF6gHoBybUeX0RcSJEAAAAASUVORK5CYII=",
-    "systemDecline2": "iVBORw0KGgoAAAANSUhEUgAAABgAAAAQAQAAAAAkX4I4AAAANUlEQVR42mM4wMDMsP//X4YEBjYGx4ZDDA4HmxgckpkYHMyAWAaKQWyQGFAOpAakFqQHqBcAGz4QyzSHE/gAAAAASUVORK5CYII=",
-    "systemDotEmpty": "iVBORw0KGgoAAAANSUhEUgAAAB8AAAAfAQAAAAA31SuUAAAAYklEQVR42oWOMQ5AQBRE5yZ7FEfSKTmC25CQuILehkahkc12IvgjRqHUTPX/ew+MzsByNlhxGq7ochz90mFL9gmBFjCSGTxZoSUb1OTwTkquP/Md61cU8USWQzZ5VaCWp+oGeLZn9EklJaAAAAAASUVORK5CYII=",
-    "systemDotFull": "iVBORw0KGgoAAAANSUhEUgAAAB8AAAAfAQAAAAA31SuUAAAAX0lEQVR42mP4/0H+H8P//sf/GP7V//nH8PeDfB3D7wPs+xi+MzDeY3jHAER3GBjKGG4wMJgx7GBgsGLYwMAgBSESGBh4CBAIxWC9YFPA5oFNBtsBtg1sL9gFYLeAXAUAPIwyHWLMTS8AAAAASUVORK5CYII=",
-    "systemEv3small": "iVBORw0KGgoAAAANSUhEUgAAACsAAAANAQAAAAAY06pGAAAAPUlEQVR42mNg4LFvYwACFEr+n32fPYiS5/8P5PLLyz8AUXwQqs8eSMn/b7H/D6IO1NmDBA/UgbTzP/gHpwBcwBWO2QYBDwAAAABJRU5ErkJggg==",
-    "systemPlay": "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQAAAAA3iMLMAAAAMElEQVR42mP4Y8/wsZ/h+XOG858Z5v5k2POXwcaGoUYOhIAMIBcoCJQCKgAq+2MPAAFKFVmziLfGAAAAAElFTkSuQmCC",
-    "systemSlider0": "iVBORw0KGgoAAAANSUhEUgAAAAwAAAAbAQAAAABg3VNpAAAAEklEQVR42mM4YMBwfwPV0AEDAHmKKNims3dJAAAAAElFTkSuQmCC",
-    "systemSlider1": "iVBORw0KGgoAAAANSUhEUgAAAAwAAAAbAQAAAABg3VNpAAAAGklEQVR42mM4YMBwfwNFCAKuGjCc2sBwwAAAT7olG9TpXdAAAAAASUVORK5CYII=",
-    "systemSlider2": "iVBORw0KGgoAAAANSUhEUgAAAAwAAAAbAQAAAABg3VNpAAAAG0lEQVR42mM4YMBwfwM5CAJObWC4aoAgDxgAACpUJGftPg+WAAAAAElFTkSuQmCC",
-    "systemSlider3": "iVBORw0KGgoAAAANSUhEUgAAAAwAAAAbAQAAAABg3VNpAAAAG0lEQVR42mM4YMBwfwMJCAKuGjCc2oCFPGAAAPSIIz417p4OAAAAAElFTkSuQmCC",
-    "systemSlider4": "iVBORw0KGgoAAAANSUhEUgAAAAwAAAAbAQAAAABg3VNpAAAAG0lEQVR42mM4YMBwfwNhBAGnNjBcNcBHHjAAAMJ6IooqNLP/AAAAAElFTkSuQmCC",
-    "systemSlider5": "iVBORw0KGgoAAAANSUhEUgAAAAwAAAAbAQAAAABg3VNpAAAAG0lEQVR42mM4YMBwfwNOBAFXDRhObSCKPGAAAHfbIWHuFKlNAAAAAElFTkSuQmCC",
-    "systemSlider6": "iVBORw0KGgoAAAANSUhEUgAAAAwAAAAbAQAAAABg3VNpAAAAG0lEQVR42mM4YMBwfwM6goBTGxiuGpBGHjAAADklIK1PooVQAAAAAElFTkSuQmCC",
-    "systemSlider7": "iVBORw0KGgoAAAANSUhEUgAAAAwAAAAbAQAAAABg3VNpAAAAG0lEQVR42mM4YMBwfwMUQcBVA4ZTG8gkDxgAANmVH4SOiUHMAAAAAElFTkSuQmCC",
-    "systemSlider8": "iVBORw0KGgoAAAANSUhEUgAAAAwAAAAbAQAAAABg3VNpAAAAFElEQVR42mM4YMBwagPDVSqRBwwASoohT92wVBIAAAAASUVORK5CYII="
+    "systemDecline2": "iVBORw0KGgoAAAANSUhEUgAAABgAAAAQAQAAAAAkX4I4AAAANUlEQVR42mM4wMDMsP//X4YEBjYGx4ZDDA4HmxgckpkYHMyAWAaKQWyQGFAOpAakFqQHqBcAGz4QyzSHE/gAAAAASUVORK5CYII="
 }
\ No newline at end of file
diff --git a/libs/core/images.ts b/libs/core/images.ts
index 999cb197..f51f4608 100644
--- a/libs/core/images.ts
+++ b/libs/core/images.ts
@@ -220,41 +220,10 @@ namespace images {
     //% fixedInstance jres blockIdentity=brick.__imagePicker
     export const systemAccept2 = screen.unpackPNG(hex``);
     //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemAlert = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
     export const systemBox = screen.unpackPNG(hex``);
     //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemBusy0 = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemBusy1 = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
     export const systemDecline1 = screen.unpackPNG(hex``);
     //% fixedInstance jres blockIdentity=brick.__imagePicker
     export const systemDecline2 = screen.unpackPNG(hex``);
     //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemDotEmpty = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemDotFull = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemEv3small = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemPlay = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemSlider0 = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemSlider1 = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemSlider2 = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemSlider3 = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemSlider4 = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemSlider5 = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemSlider6 = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemSlider7 = screen.unpackPNG(hex``);
-    //% fixedInstance jres blockIdentity=brick.__imagePicker
-    export const systemSlider8 = screen.unpackPNG(hex``);
 }