diff --git a/yarn.lock b/yarn.lock
index 2f72f528f9f..f5cb777400d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2247,14 +2247,6 @@ cli-width@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.1.0.tgz#b234ca209b29ef66fc518d9b98d5847b00edf00a"
 
-clipboard@^1.5.5:
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/clipboard/-/clipboard-1.7.1.tgz#360d6d6946e99a7a1fef395e42ba92b5e9b5a16b"
-  dependencies:
-    good-listener "^1.2.2"
-    select "^1.1.2"
-    tiny-emitter "^2.0.0"
-
 cliui@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
@@ -3176,10 +3168,6 @@ delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
 
-delegate@^3.1.2:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/delegate/-/delegate-3.1.3.tgz#9a8251a777d7025faa55737bc3b071742127a9fd"
-
 delegates@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
@@ -4724,12 +4712,6 @@ glsl-tokenizer@^2.0.2:
   dependencies:
     through2 "^0.6.3"
 
-good-listener@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/good-listener/-/good-listener-1.2.2.tgz#d53b30cdf9313dffb7dc9a0d477096aa6d145c50"
-  dependencies:
-    delegate "^3.1.2"
-
 got@^6.7.1:
   version "6.7.1"
   resolved "https://registry.yarnpkg.com/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
@@ -7892,10 +7874,8 @@ pretty-error@^2.0.2, pretty-error@^2.1.1:
     utila "~0.4"
 
 prismjs@^1.8.1:
-  version "1.8.1"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.8.1.tgz#bd0cdc32e9a561c1c8c3c9733765a7f1ec3b54ee"
-  optionalDependencies:
-    clipboard "^1.5.5"
+  version "1.24.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.24.0.tgz#0409c30068a6c52c89ef7f1089b3ca4de56be2ac"
 
 private@^0.1.6, private@^0.1.7, private@~0.1.5:
   version "0.1.7"
@@ -8757,10 +8737,6 @@ seedrandom@^2.4.2:
   version "2.4.3"
   resolved "https://registry.yarnpkg.com/seedrandom/-/seedrandom-2.4.3.tgz#2438504dad33917314bff18ac4d794f16d6aaecc"
 
-select@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/select/-/select-1.1.2.tgz#0e7350acdec80b1108528786ec1d4418d11b396d"
-
 semver-diff@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-2.1.0.tgz#4bbb8437c8d37e4b0cf1a68fd726ec6d645d6d36"
@@ -9828,10 +9804,6 @@ timers-browserify@^2.0.2:
   dependencies:
     setimmediate "^1.0.4"
 
-tiny-emitter@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.0.1.tgz#e65919d91e488e2a78f7ebe827a56c6b188d51af"
-
 tiny-lr@^1.0.3:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/tiny-lr/-/tiny-lr-1.0.5.tgz#21f40bf84ebd1f853056680375eef1670c334112"