diff --git a/extensions/firefox/content/PdfJsTelemetry-addon.jsm b/extensions/firefox/content/PdfJsTelemetry-addon.jsm
index c269ebe46..c85cad653 100644
--- a/extensions/firefox/content/PdfJsTelemetry-addon.jsm
+++ b/extensions/firefox/content/PdfJsTelemetry-addon.jsm
@@ -19,70 +19,27 @@
 
 this.EXPORTED_SYMBOLS = ["PdfJsTelemetry"];
 
-const Cu = Components.utils;
-Cu.import("resource://gre/modules/Services.jsm");
-
-const ADDON_ID = "uriloader@pdf.js";
-
-var Telemetry = Services.telemetry;
-var registerAddonHistogram = Telemetry.registerAddonHistogram;
-
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_USED", Telemetry.HISTOGRAM_BOOLEAN, 1, 2, 3);
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_FALLBACK_SHOWN", Telemetry.HISTOGRAM_BOOLEAN, 1, 2, 3);
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_VERSION", Telemetry.HISTOGRAM_LINEAR, 1, 10, 11);
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_GENERATOR", Telemetry.HISTOGRAM_LINEAR, 1, 25, 26);
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_SIZE_KB", Telemetry.HISTOGRAM_EXPONENTIAL, 2, 64 * 1024, 20);
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_EMBED", Telemetry.HISTOGRAM_BOOLEAN, 1, 2, 3);
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_FONT_TYPES", Telemetry.HISTOGRAM_LINEAR, 1, 19, 20);
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_FORM", Telemetry.HISTOGRAM_BOOLEAN, 1, 2, 3);
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_PRINT", Telemetry.HISTOGRAM_BOOLEAN, 1, 2, 3);
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_STREAM_TYPES", Telemetry.HISTOGRAM_LINEAR, 1, 19, 20);
-registerAddonHistogram(ADDON_ID, "PDF_VIEWER_TIME_TO_VIEW_MS", Telemetry.HISTOGRAM_EXPONENTIAL, 1, 10000, 50);
-
-
 this.PdfJsTelemetry = {
   onViewerIsUsed() {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_USED");
-    histogram.add(true);
   },
   onFallback() {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_FALLBACK_SHOWN");
-    histogram.add(true);
   },
   onDocumentSize(size) {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_SIZE_KB");
-    histogram.add(size / 1024);
   },
   onDocumentVersion(versionId) {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_VERSION");
-    histogram.add(versionId);
   },
   onDocumentGenerator(generatorId) {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_DOCUMENT_GENERATOR");
-    histogram.add(generatorId);
   },
   onEmbed(isObject) {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_EMBED");
-    histogram.add(isObject);
   },
   onFontType(fontTypeId) {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_FONT_TYPES");
-    histogram.add(fontTypeId);
   },
   onForm(isAcroform) {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_FORM");
-    histogram.add(isAcroform);
   },
   onPrint() {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_PRINT");
-    histogram.add(true);
   },
   onStreamType(streamTypeId) {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_STREAM_TYPES");
-    histogram.add(streamTypeId);
   },
   onTimeToView(ms) {
-    let histogram = Telemetry.getAddonHistogram(ADDON_ID, "PDF_VIEWER_TIME_TO_VIEW_MS");
-    histogram.add(ms);
   }
 };