diff --git a/packages/docusaurus-theme-classic/package.json b/packages/docusaurus-theme-classic/package.json
index 3a2d62ad6dac..df38e1f43056 100644
--- a/packages/docusaurus-theme-classic/package.json
+++ b/packages/docusaurus-theme-classic/package.json
@@ -32,7 +32,7 @@
     "@types/react-toggle": "^4.0.2",
     "clsx": "^1.1.1",
     "copy-text-to-clipboard": "^2.2.0",
-    "infima": "0.2.0-alpha.14",
+    "infima": "0.2.0-alpha.15",
     "lodash": "^4.17.19",
     "parse-numeric-range": "^0.0.2",
     "prism-react-renderer": "^1.1.0",
diff --git a/packages/docusaurus-theme-classic/src/theme/Layout/styles.css b/packages/docusaurus-theme-classic/src/theme/Layout/styles.css
index e50b98f7123d..a22555524a80 100644
--- a/packages/docusaurus-theme-classic/src/theme/Layout/styles.css
+++ b/packages/docusaurus-theme-classic/src/theme/Layout/styles.css
@@ -24,19 +24,3 @@ body {
 .main-wrapper {
   flex: 1 0 auto;
 }
-
-/* Custom scrollbar (TODO: Should it be in Infima instead?) */
-.thin-scrollbar::-webkit-scrollbar {
-  width: 7px;
-}
-.thin-scrollbar::-webkit-scrollbar-track {
-  background: #f1f1f1;
-  border-radius: 10px;
-}
-.thin-scrollbar::-webkit-scrollbar-thumb {
-  background: #888;
-  border-radius: 10px;
-}
-.thin-scrollbar::-webkit-scrollbar-thumb:hover {
-  background: #555;
-}
diff --git a/yarn.lock b/yarn.lock
index e20ca736b9c1..aea65dc9a46e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11642,10 +11642,10 @@ infer-owner@^1.0.3, infer-owner@^1.0.4:
   resolved "https://registry.yarnpkg.com/infer-owner/-/infer-owner-1.0.4.tgz#c4cefcaa8e51051c2a40ba2ce8a3d27295af9467"
   integrity sha512-IClj+Xz94+d7irH5qRyfJonOdfTzuDaifE6ZPWfx0N0+/ATZCbuTPq2prFl526urkQd90WyUKIh1DfBQ2hMz9A==
 
-infima@0.2.0-alpha.14:
-  version "0.2.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/infima/-/infima-0.2.0-alpha.14.tgz#e7c79a12feedfb41626b89c77357a58a872c6d15"
-  integrity sha512-RMyVw0HAKAMoG78cRW2/sbD79MgCX19VfpTnchG1JaqYkIb+IQHo5P7/ZvJ1U/DPiLkY3bkkhJHqfzCz4ftTJQ==
+infima@0.2.0-alpha.15:
+  version "0.2.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/infima/-/infima-0.2.0-alpha.15.tgz#034c91c3cfcededf57df97644793b7e21ec695d9"
+  integrity sha512-RQjMa//BOuKN3kRoQeNWKhlriaxTiqNFCUCbRP3lw65qTpETDIdRCwDNLxrHHCls0rbgCvOc5LD1UG7JITRemg==
 
 inflight@^1.0.4:
   version "1.0.6"