diff --git a/extensions/image-preview/README.md b/extensions/image-preview/README.md
index 0a2d4f5651215a60d8789e2f590cfa94c0f69b67..ccb5ac3954af6607cc4df2c085f2c2eb958c2c96 100644
--- a/extensions/image-preview/README.md
+++ b/extensions/image-preview/README.md
@@ -14,5 +14,4 @@ Supported image formats:
 - `*.gif`
 - `*.ico`
 - `*.tga`
-- `*.tif`, `*.tiff`
 - `*.webp`
diff --git a/extensions/image-preview/package.json b/extensions/image-preview/package.json
index 7db7b2fb17edce16227df1c06a79f1a274b24467..7dd872ae1bc9e96f89312d9d1d24aa8162a70d31 100644
--- a/extensions/image-preview/package.json
+++ b/extensions/image-preview/package.json
@@ -26,7 +26,7 @@
         "displayName": "%webviewEditors.displayName%",
         "selector": [
           {
-            "filenamePattern": "*.{jpg,jpe,jpeg,png,bmp,gif,ico,tga,tif,tiff,webp}",
+            "filenamePattern": "*.{jpg,jpe,jpeg,png,bmp,gif,ico,tga,webp}",
             "mime": "image/*"
           }
         ]