diff --git a/yarn.lock b/yarn.lock
index 29d42e04..16b9b690 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1830,7 +1830,7 @@ debug-log@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/debug-log/-/debug-log-1.0.1.tgz#2307632d4c04382b8df8a32f70b895046d52745f"
 
-debug@2.6.9, debug@^2.1.2, debug@^2.2.0, debug@^2.3.3, debug@^2.6.6, debug@^2.6.8, debug@~2.6.4:
+debug@2.6.9, debug@^2.1.2, debug@^2.2.0, debug@^2.3.3, debug@^2.6.6, debug@^2.6.8:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   dependencies:
@@ -2130,22 +2130,6 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
-engine.io-client@~3.1.0:
-  version "3.1.6"
-  resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-3.1.6.tgz#5bdeb130f8b94a50ac5cbeb72583e7a4a063ddfd"
-  dependencies:
-    component-emitter "1.2.1"
-    component-inherit "0.0.3"
-    debug "~3.1.0"
-    engine.io-parser "~2.1.1"
-    has-cors "1.1.0"
-    indexof "0.0.1"
-    parseqs "0.0.5"
-    parseuri "0.0.5"
-    ws "~3.3.1"
-    xmlhttprequest-ssl "~1.5.4"
-    yeast "0.1.2"
-
 engine.io-client@~3.2.0:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-3.2.1.tgz#6f54c0475de487158a1a7c77d10178708b6add36"
@@ -6219,24 +6203,6 @@ socket.io-adapter@~1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/socket.io-adapter/-/socket.io-adapter-1.1.1.tgz#2a805e8a14d6372124dd9159ad4502f8cb07f06b"
 
-socket.io-client@2.0.4:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-2.0.4.tgz#0918a552406dc5e540b380dcd97afc4a64332f8e"
-  dependencies:
-    backo2 "1.0.2"
-    base64-arraybuffer "0.1.5"
-    component-bind "1.0.0"
-    component-emitter "1.2.1"
-    debug "~2.6.4"
-    engine.io-client "~3.1.0"
-    has-cors "1.1.0"
-    indexof "0.0.1"
-    object-component "0.0.3"
-    parseqs "0.0.5"
-    parseuri "0.0.5"
-    socket.io-parser "~3.1.1"
-    to-array "0.1.4"
-
 socket.io-client@2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-2.1.0.tgz#0d0b21d460dc4ed36e57085136f2be0137ff20ff"
@@ -6256,15 +6222,6 @@ socket.io-client@2.1.0:
     socket.io-parser "~3.2.0"
     to-array "0.1.4"
 
-socket.io-parser@~3.1.1:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-3.1.3.tgz#ed2da5ee79f10955036e3da413bfd7f1e4d86c8e"
-  dependencies:
-    component-emitter "1.2.1"
-    debug "~3.1.0"
-    has-binary2 "~1.0.2"
-    isarray "2.0.1"
-
 socket.io-parser@~3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-3.2.0.tgz#e7c6228b6aa1f814e6148aea325b51aa9499e077"