diff --git a/img/app.png b/img/app.png
deleted file mode 100644
index 171af526e..000000000
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diff --git a/img/dateasc.png b/img/dateasc.png
deleted file mode 100644
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diff --git a/img/datedes.png b/img/datedes.png
deleted file mode 100644
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diff --git a/img/folder.png b/img/folder.png
deleted file mode 100644
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diff --git a/img/gallery-dark.png b/img/gallery-dark.png
deleted file mode 100644
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diff --git a/img/nameasc.png b/img/nameasc.png
deleted file mode 100644
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diff --git a/img/namedes.png b/img/namedes.png
deleted file mode 100644
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diff --git a/img/toggle.png b/img/toggle.png
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diff --git a/js/galleryutility.js b/js/galleryutility.js
index a337f5029..8aa75d9ab 100644
--- a/js/galleryutility.js
+++ b/js/galleryutility.js
@@ -26,7 +26,7 @@ window.Gallery = window.Gallery || {};
 			if ($('html').is('.ie8')) {
 				return 'unsupportedIe';
 			} else if (navigator.userAgent.indexOf("MSIE") > 0) {
-				return 'oldIe';
+				return 'unsupportedIe';
 			} else if (!!navigator.userAgent.match(/Trident.*rv[ :]*11\./)) {
 				return 'modernIe';
 			} else if (navigator.userAgent.indexOf("Edge/") > 0) {
diff --git a/js/slideshow.js b/js/slideshow.js
index d135390bf..2373a32a3 100644
--- a/js/slideshow.js
+++ b/js/slideshow.js
@@ -52,11 +52,6 @@
 
 				this._initControlsAutoFader();
 
-				// Replace all Owncloud svg images with png images for ancient browsers
-				if (!OC.Util.hasSVGSupport()) {
-					OC.Util.replaceSVG(this.$el);
-				}
-
 				// Only modern browsers can manipulate history
 				if (history && history.pushState) {
 					// Stop the slideshow when backing out.
diff --git a/js/thumbnail.js b/js/thumbnail.js
index 03da6ff35..45b7df137 100644
--- a/js/thumbnail.js
+++ b/js/thumbnail.js
@@ -1,4 +1,4 @@
-/* global $, DOMPurify, Gallery */
+/* global $, DOMPurify, OC, Gallery */
 /**
  * A thumbnail is the actual image attached to the GalleryImage object
  *
@@ -132,7 +132,7 @@ function Thumbnail (fileId, square) {
 							};
 							thumb.image.onerror = function () {
 								thumb.valid = false;
-								var icon = Thumbnails._getMimeIcon(preview.mimetype);
+								var icon = OC.MimeType.getIconUrl(preview.mimetype);
 								setTimeout(function () {
 									thumb.image.src = icon;
 								}, 0);
@@ -147,7 +147,7 @@ function Thumbnail (fileId, square) {
 									'data:' + preview.mimetype + ';base64,' + imageData;
 							} else {
 								thumb.valid = false;
-								thumb.image.src = Thumbnails._getMimeIcon(preview.mimetype);
+								thumb.image.src = OC.MimeType.getIconUrl(preview.mimetype);
 							}
 						}
 					});
@@ -156,24 +156,6 @@ function Thumbnail (fileId, square) {
 			return batch;
 		},
 
-		/**
-		 * Returns the link to the media type icon
-		 *
-		 * Modern browsers get an SVG, older ones a PNG
-		 *
-		 * @param mimeType
-		 *
-		 * @returns {*|string}
-		 * @private
-		 */
-		_getMimeIcon: function (mimeType) {
-			var icon = OC.MimeType.getIconUrl(mimeType);
-			if (Gallery.ieVersion !== false) {
-				icon = icon.substr(0, icon.lastIndexOf(".")) + ".png";
-			}
-			return icon;
-		},
-
 		/**
 		 * Sanitises SVGs
 		 *