diff --git a/ACKNOWLEDGMENTS.md b/ACKNOWLEDGMENTS.md
index 96aa4589931d..bff360fd2004 100644
--- a/ACKNOWLEDGMENTS.md
+++ b/ACKNOWLEDGMENTS.md
@@ -3225,24 +3225,6 @@ Signal Desktop makes use of the following open source projects.
     See the License for the specific language governing permissions and
     limitations under the License.
 
-## tar
-
-    The ISC License
-
-    Copyright (c) Isaac Z. Schlueter and Contributors
-
-    Permission to use, copy, modify, and/or distribute this software for any
-    purpose with or without fee is hereby granted, provided that the above
-    copyright notice and this permission notice appear in all copies.
-
-    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
-    IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
 ## testcheck
 
     BSD License
diff --git a/package.json b/package.json
index a180beab4cfd..1902a9dfa749 100644
--- a/package.json
+++ b/package.json
@@ -155,7 +155,6 @@
     "sanitize.css": "11.0.0",
     "semver": "5.4.1",
     "sharp": "0.28.1",
-    "tar": "4.4.15",
     "testcheck": "1.0.0-rc.2",
     "tmp": "0.0.33",
     "typeface-inter": "3.10.0",
diff --git a/yarn.lock b/yarn.lock
index 9a4ed8eae03e..ddd59d85db0a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -17310,7 +17310,15 @@ tar-stream@^2.1.4:
     inherits "^2.0.3"
     readable-stream "^3.1.1"
 
-tar@4.4.15, tar@^4, tar@^4.4.12:
+tar@^2.0.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.1.tgz#8e4d2a256c0e2185c6b18ad694aec968b83cb1d1"
+  dependencies:
+    block-stream "*"
+    fstream "^1.0.2"
+    inherits "2"
+
+tar@^4, tar@^4.4.12:
   version "4.4.15"
   resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.15.tgz#3caced4f39ebd46ddda4d6203d48493a919697f8"
   integrity sha512-ItbufpujXkry7bHH9NpQyTXPbJ72iTlXgkBAYsAjDXk3Ds8t/3NfO5P4xZGy7u+sYuQUbimgzswX4uQIEeNVOA==
@@ -17323,14 +17331,6 @@ tar@4.4.15, tar@^4, tar@^4.4.12:
     safe-buffer "^5.1.2"
     yallist "^3.0.3"
 
-tar@^2.0.0:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.1.tgz#8e4d2a256c0e2185c6b18ad694aec968b83cb1d1"
-  dependencies:
-    block-stream "*"
-    fstream "^1.0.2"
-    inherits "2"
-
 tar@^6.1.0:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/tar/-/tar-6.1.0.tgz#d1724e9bcc04b977b18d5c573b333a2207229a83"