diff --git a/.changeset/remove-duplicate-deps-app-backend.md b/.changeset/remove-duplicate-deps-app-backend.md
new file mode 100644
index 0000000000..0e7ffe94bf
--- /dev/null
+++ b/.changeset/remove-duplicate-deps-app-backend.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-app-backend': patch
+---
+
+Removed `@backstage/types` from `devDependencies` where it was already listed in `dependencies`.
diff --git a/.changeset/remove-duplicate-deps-auth-node.md b/.changeset/remove-duplicate-deps-auth-node.md
new file mode 100644
index 0000000000..20ec8cda5d
--- /dev/null
+++ b/.changeset/remove-duplicate-deps-auth-node.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-auth-node': patch
+---
+
+Removed `lodash` from `devDependencies` where it was already listed in `dependencies`.
diff --git a/.changeset/remove-duplicate-deps-auth-oidc.md b/.changeset/remove-duplicate-deps-auth-oidc.md
new file mode 100644
index 0000000000..64e351c273
--- /dev/null
+++ b/.changeset/remove-duplicate-deps-auth-oidc.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-auth-backend-module-oidc-provider': patch
+---
+
+Removed `@backstage/config` and `@backstage/types` from `devDependencies` where they were already listed in `dependencies`.
diff --git a/.changeset/remove-duplicate-deps-backend-defaults.md b/.changeset/remove-duplicate-deps-backend-defaults.md
new file mode 100644
index 0000000000..4c05538faa
--- /dev/null
+++ b/.changeset/remove-duplicate-deps-backend-defaults.md
@@ -0,0 +1,5 @@
+---
+'@backstage/backend-defaults': patch
+---
+
+Removed `@backstage/backend-plugin-api` from `devDependencies` where it was already listed in `dependencies`.
diff --git a/.changeset/remove-duplicate-deps-catalog-backend.md b/.changeset/remove-duplicate-deps-catalog-backend.md
new file mode 100644
index 0000000000..d97d55c17c
--- /dev/null
+++ b/.changeset/remove-duplicate-deps-catalog-backend.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-backend': patch
+---
+
+Removed `@backstage/plugin-permission-common` and `luxon` from `devDependencies` where they were already listed in `dependencies`.
diff --git a/.changeset/remove-duplicate-deps-catalog-react.md b/.changeset/remove-duplicate-deps-catalog-react.md
new file mode 100644
index 0000000000..af89ea7173
--- /dev/null
+++ b/.changeset/remove-duplicate-deps-catalog-react.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-react': patch
+---
+
+Moved `@backstage/plugin-catalog-common` from `dependencies` to `devDependencies` as it is only used in tests.
diff --git a/.changeset/remove-duplicate-deps-cli.md b/.changeset/remove-duplicate-deps-cli.md
new file mode 100644
index 0000000000..2594782350
--- /dev/null
+++ b/.changeset/remove-duplicate-deps-cli.md
@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Removed `@backstage/errors` from `devDependencies` where it was already listed in `dependencies`.
diff --git a/.changeset/remove-duplicate-deps-core-compat-api.md b/.changeset/remove-duplicate-deps-core-compat-api.md
new file mode 100644
index 0000000000..9ca7627536
--- /dev/null
+++ b/.changeset/remove-duplicate-deps-core-compat-api.md
@@ -0,0 +1,5 @@
+---
+'@backstage/core-compat-api': patch
+---
+
+Removed `zod` from `dependencies` where it was only used in tests. Kept `@backstage/types` in `dependencies` as it is transitively required at runtime.
diff --git a/.changeset/remove-duplicate-deps-notifications-slack.md b/.changeset/remove-duplicate-deps-notifications-slack.md
new file mode 100644
index 0000000000..1396a9515f
--- /dev/null
+++ b/.changeset/remove-duplicate-deps-notifications-slack.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-notifications-backend-module-slack': patch
+---
+
+Removed `@backstage/plugin-catalog-node` from `devDependencies` where it was already listed in `dependencies`.