diff --git a/.changeset/purple-cameras-sniff.md b/.changeset/purple-cameras-sniff.md
new file mode 100644
index 0000000000..44eed42aad
--- /dev/null
+++ b/.changeset/purple-cameras-sniff.md
@@ -0,0 +1,5 @@
+---
+'@backstage/backend-common': patch
+---
+
+Remove unused dev dependency `aws-sdk-mock`.
diff --git a/packages/backend-common/package.json b/packages/backend-common/package.json
index e1192dac00..ab628eb164 100644
--- a/packages/backend-common/package.json
+++ b/packages/backend-common/package.json
@@ -135,7 +135,6 @@
     "@types/webpack-env": "^1.15.2",
     "@types/yauzl": "^2.10.0",
     "aws-sdk-client-mock": "^2.0.0",
-    "aws-sdk-mock": "^5.2.1",
     "better-sqlite3": "^8.0.0",
     "http-errors": "^2.0.0",
     "mock-fs": "^5.1.0",
diff --git a/yarn.lock b/yarn.lock
index 51da36570f..cd0311fbdc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3682,7 +3682,6 @@ __metadata:
     "@types/yauzl": ^2.10.0
     archiver: ^5.0.2
     aws-sdk-client-mock: ^2.0.0
-    aws-sdk-mock: ^5.2.1
     base64-stream: ^1.0.0
     better-sqlite3: ^8.0.0
     compression: ^1.7.4
@@ -19246,35 +19245,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"aws-sdk-mock@npm:^5.2.1":
-  version: 5.8.0
-  resolution: "aws-sdk-mock@npm:5.8.0"
-  dependencies:
-    aws-sdk: ^2.1231.0
-    sinon: ^14.0.1
-    traverse: ^0.6.6
-  checksum: c0b06d63d375a6f6664a5860815bdcc21cbe752f227f3617db8bd9042e48604e5cc26834876909c8fc1e68ac937166f4cb0637b3cb565d05c9a64aa025fe3407
-  languageName: node
-  linkType: hard
-
-"aws-sdk@npm:^2.1231.0":
-  version: 2.1279.0
-  resolution: "aws-sdk@npm:2.1279.0"
-  dependencies:
-    buffer: 4.9.2
-    events: 1.1.1
-    ieee754: 1.1.13
-    jmespath: 0.16.0
-    querystring: 0.2.0
-    sax: 1.2.1
-    url: 0.10.3
-    util: ^0.12.4
-    uuid: 8.0.0
-    xml2js: 0.4.19
-  checksum: ee8e8ee7baea9abaa0e1d08294be8ff00795b9db606101ef69a45d1465dac936187e43079fbe7a28ff4a463c8f9cd728d9bfee3e3974b0b5b88eb437dc81295b
-  languageName: node
-  linkType: hard
-
 "aws-sign2@npm:~0.7.0":
   version: 0.7.0
   resolution: "aws-sign2@npm:0.7.0"
@@ -20106,17 +20076,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"buffer@npm:4.9.2, buffer@npm:^4.3.0":
-  version: 4.9.2
-  resolution: "buffer@npm:4.9.2"
-  dependencies:
-    base64-js: ^1.0.2
-    ieee754: ^1.1.4
-    isarray: ^1.0.0
-  checksum: 8801bc1ba08539f3be70eee307a8b9db3d40f6afbfd3cf623ab7ef41dffff1d0a31de0addbe1e66e0ca5f7193eeb667bfb1ecad3647f8f1b0750de07c13295c3
-  languageName: node
-  linkType: hard
-
 "buffer@npm:5.6.0":
   version: 5.6.0
   resolution: "buffer@npm:5.6.0"
@@ -20127,6 +20086,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"buffer@npm:^4.3.0":
+  version: 4.9.2
+  resolution: "buffer@npm:4.9.2"
+  dependencies:
+    base64-js: ^1.0.2
+    ieee754: ^1.1.4
+    isarray: ^1.0.0
+  checksum: 8801bc1ba08539f3be70eee307a8b9db3d40f6afbfd3cf623ab7ef41dffff1d0a31de0addbe1e66e0ca5f7193eeb667bfb1ecad3647f8f1b0750de07c13295c3
+  languageName: node
+  linkType: hard
+
 "buffer@npm:^5.2.1, buffer@npm:^5.5.0, buffer@npm:^5.6.0":
   version: 5.7.1
   resolution: "buffer@npm:5.7.1"
@@ -24450,13 +24420,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"events@npm:1.1.1":
-  version: 1.1.1
-  resolution: "events@npm:1.1.1"
-  checksum: 40431eb005cc4c57861b93d44c2981a49e7feb99df84cf551baed299ceea4444edf7744733f6a6667e942af687359b1f4a87ec1ec4f21d5127dac48a782039b9
-  languageName: node
-  linkType: hard
-
 "events@npm:3.3.0, events@npm:^3.0.0, events@npm:^3.2.0, events@npm:^3.3.0":
   version: 3.3.0
   resolution: "events@npm:3.3.0"
@@ -27152,13 +27115,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ieee754@npm:1.1.13":
-  version: 1.1.13
-  resolution: "ieee754@npm:1.1.13"
-  checksum: 102df1ba662e316e6160f7ce29c7c7fa3e04f2014c288336c5a9ff40bbcc2a27d209fa2a81ebfb33f28b1941021343d30e9ad8ee85a2d61f79f5936c35edc33d
-  languageName: node
-  linkType: hard
-
 "ieee754@npm:^1.1.13, ieee754@npm:^1.1.4, ieee754@npm:^1.2.1":
   version: 1.2.1
   resolution: "ieee754@npm:1.2.1"
@@ -28978,13 +28934,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"jmespath@npm:0.16.0":
-  version: 0.16.0
-  resolution: "jmespath@npm:0.16.0"
-  checksum: 2d602493a1e4addfd1350ac8c9d54b1b03ed09e305fd863bab84a4ee1f52868cf939dd1a08c5cdea29ce9ba8f86875ebb458b6ed45dab3e1c3f2694503fb2fd9
-  languageName: node
-  linkType: hard
-
 "jmespath@npm:^0.15.0":
   version: 0.15.0
   resolution: "jmespath@npm:0.15.0"
@@ -37328,13 +37277,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sax@npm:1.2.1":
-  version: 1.2.1
-  resolution: "sax@npm:1.2.1"
-  checksum: 8dca7d5e1cd7d612f98ac50bdf0b9f63fbc964b85f0c4e2eb271f8b9b47fd3bf344c4d6a592e69ecf726d1485ca62cd8a52e603bbc332d18a66af25a9a1045ad
-  languageName: node
-  linkType: hard
-
 "sax@npm:>=0.6.0":
   version: 1.2.4
   resolution: "sax@npm:1.2.4"
@@ -37878,7 +37820,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sinon@npm:^14.0.1, sinon@npm:^14.0.2":
+"sinon@npm:^14.0.2":
   version: 14.0.2
   resolution: "sinon@npm:14.0.2"
   dependencies:
@@ -39683,7 +39625,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"traverse@npm:^0.6.6, traverse@npm:~0.6.6":
+"traverse@npm:~0.6.6":
   version: 0.6.6
   resolution: "traverse@npm:0.6.6"
   checksum: e2afa72f11efa9ba31ed763d2d9d2aa244612f22015d16c0ea3ba5f6ca8bf071de87f8108b721885cce06ea4a36ef4605d9228c67e431d9015ea4685cb364420
@@ -40488,16 +40430,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"url@npm:0.10.3":
-  version: 0.10.3
-  resolution: "url@npm:0.10.3"
-  dependencies:
-    punycode: 1.3.2
-    querystring: 0.2.0
-  checksum: 7b83ddb106c27bf9bde8629ccbe8d26e9db789c8cda5aa7db72ca2c6f9b8a88a5adf206f3e10db78e6e2d042b327c45db34c7010c1bf0d9908936a17a2b57d05
-  languageName: node
-  linkType: hard
-
 "url@npm:^0.11.0, url@npm:~0.11.0":
   version: 0.11.0
   resolution: "url@npm:0.11.0"
@@ -40629,7 +40561,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"util@npm:^0.12.3, util@npm:^0.12.4":
+"util@npm:^0.12.3":
   version: 0.12.5
   resolution: "util@npm:0.12.5"
   dependencies:
@@ -40656,15 +40588,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"uuid@npm:8.0.0":
-  version: 8.0.0
-  resolution: "uuid@npm:8.0.0"
-  bin:
-    uuid: dist/bin/uuid
-  checksum: 56d4e23aa7ac26fa2db6bd1778db34cb8c9f5a10df1770a27167874bf6705fc8f14a4ac414af58a0d96c7653b2bd4848510b29d1c2ef8c91ccb17429c1872b5e
-  languageName: node
-  linkType: hard
-
 "uuid@npm:^3.3.2":
   version: 3.4.0
   resolution: "uuid@npm:3.4.0"
@@ -41664,16 +41587,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"xml2js@npm:0.4.19":
-  version: 0.4.19
-  resolution: "xml2js@npm:0.4.19"
-  dependencies:
-    sax: ">=0.6.0"
-    xmlbuilder: ~9.0.1
-  checksum: ca8b2fee430d450a18947786bfd7cd1a353ee00fc6fd550acbc8a8e65f1b4df5e9786fcb2990c1a5514ecd554d445fb74e1d716b3a4fcfffc10554aeb5db482b
-  languageName: node
-  linkType: hard
-
 "xml2js@npm:^0.4.11, xml2js@npm:^0.4.19, xml2js@npm:^0.4.23":
   version: 0.4.23
   resolution: "xml2js@npm:0.4.23"
@@ -41715,13 +41628,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"xmlbuilder@npm:~9.0.1":
-  version: 9.0.7
-  resolution: "xmlbuilder@npm:9.0.7"
-  checksum: 8193bb323806a002764f013bea0c6e9ff2dc26fd29109408761b16b59a8ad2214c2abe8e691755fd8b525586e3a0e1efeb92335947d7b0899032b779f1705a53
-  languageName: node
-  linkType: hard
-
 "xmlchars@npm:^2.2.0":
   version: 2.2.0
   resolution: "xmlchars@npm:2.2.0"