diff --git a/.circleci/config.yml b/.circleci/config.yml
index 64297d41de88..8c933adc46d0 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -139,7 +139,6 @@ jobs:
             - "packages/chain-mon/node_modules"
             - "packages/common-ts/node_modules"
             - "packages/contracts-bedrock/node_modules"
-            - "packages/contracts-periphery/node_modules"
             - "packages/core-utils/node_modules"
             - "packages/fault-detector/node_modules"
             - "packages/hardhat-deploy-config/node_modules"
@@ -873,10 +872,6 @@ jobs:
           name: Check common-ts
           command: npx depcheck
           working_directory: packages/common-ts
-      - run:
-          name: Check contracts-periphery
-          command: npx depcheck
-          working_directory: packages/contracts-periphery
       - run:
           name: Check core-utils
           command: npx depcheck
@@ -1328,18 +1323,11 @@ workflows:
       - op-bindings-build:
           requires:
             - pnpm-monorepo
-      - js-lint-test:
-          name: contracts-periphery-tests
-          coverage_flag: contracts-periphery-tests
-          package_name: contracts-periphery
-          dependencies: "(contracts|contracts-bedrock|core-utils|hardhat-deploy-config)"
-          requires:
-            - pnpm-monorepo
       - js-lint-test:
           name: chain-mon-tests
           coverage_flag: chain-mon-tests
           package_name: chain-mon
-          dependencies: "(common-ts|contracts-periphery|core-utils|sdk)"
+          dependencies: "(common-ts|contracts-bedrock|core-utils|sdk)"
           requires:
             - pnpm-monorepo
       - js-lint-test:
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 93e871c880a3..dd5cb52bb0a7 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -2,7 +2,6 @@
 /packages/common-ts             @ethereum-optimism/typescript-reviewers
 /packages/contracts             @ethereum-optimism/contract-reviewers
 /packages/contracts-bedrock     @ethereum-optimism/contract-reviewers
-/packages/contracts-periphery   @ethereum-optimism/contract-reviewers
 /packages/core-utils            @ethereum-optimism/legacy-reviewers
 /packages/chain-mon             @smartcontracts
 /packages/fault-detector        @ethereum-optimism/devxpod
diff --git a/.gitignore b/.gitignore
index 88f8a41783bb..f99b004058ed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,11 +17,6 @@ dist
 artifacts
 cache
 
-packages/contracts-periphery/coverage*
-packages/contracts-periphery/@openzeppelin*
-packages/contracts-periphery/hardhat*
-packages/contracts-periphery/forge-artifacts*
-
 packages/contracts-bedrock/deployments/devnetL1
 packages/contracts-bedrock/deployments/anvil
 
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 3320c0c7bdd0..000000000000
--- a/.gitmodules
+++ /dev/null
@@ -1,5 +0,0 @@
-[submodule "packages/contracts-periphery/lib/multicall"]
-	path = packages/contracts-periphery/lib/multicall
-	url = https://github.com/mds1/multicall
-[submodule "lib/multicall"]
-	branch = v3.1.0
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 1b529555fe94..ffc010e8e6ea 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -16,10 +16,6 @@
       "directory": "packages/contracts",
       "changeProcessCWD": true
     },
-    {
-      "directory": "packages/contracts-periphery",
-      "changeProcessCWD": true
-    },
     {
       "directory": "packages/chain-mon",
       "changeProcessCWD": true
@@ -33,4 +29,4 @@
   "eslint.format.enable": true,
   "editorconfig.generateAuto": false,
   "files.trimTrailingWhitespace": true
-}
\ No newline at end of file
+}
diff --git a/README.md b/README.md
index 5f5cebf16587..c3c17b78a81a 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,6 @@ Refer to the Directory Structure section below to understand which packages are
 ├── <a href="./packages">packages</a>
 │   ├── <a href="./packages/common-ts">common-ts</a>: Common tools for building apps in TypeScript
 │   ├── <a href="./packages/contracts-bedrock">contracts-bedrock</a>: Bedrock smart contracts.
-│   ├── <a href="./packages/contracts-periphery">contracts-periphery</a>: Peripheral contracts for Optimism
 │   ├── <a href="./packages/core-utils">core-utils</a>: Low-level utilities that make building Optimism easier
 │   ├── <a href="./packages/chain-mon">chain-mon</a>: Chain monitoring services
 │   ├── <a href="./packages/fault-detector">fault-detector</a>: Service for detecting Sequencer faults
@@ -79,7 +78,6 @@ Refer to the Directory Structure section below to understand which packages are
 ~~ Pre-BEDROCK ~~
 ├── <a href="./packages">packages</a>
 │   ├── <a href="./packages/common-ts">common-ts</a>: Common tools for building apps in TypeScript
-│   ├── <a href="./packages/contracts-periphery">contracts-periphery</a>: Peripheral contracts for Optimism
 │   ├── <a href="./packages/core-utils">core-utils</a>: Low-level utilities that make building Optimism easier
 │   ├── <a href="./packages/chain-mon">chain-mon</a>: Chain monitoring services
 │   ├── <a href="./packages/fault-detector">fault-detector</a>: Service for detecting Sequencer faults
diff --git a/codecov.yml b/codecov.yml
index ef09ad20eed6..663aafde7671 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -33,7 +33,6 @@ flag_management:
     - name: common-ts-tests
     - name: contracts-tests
     - name: core-utils-tests
-    - name: contracts-periphery-tests
     - name: dtl-tests
     - name: chain-mon-tests
     - name: fault-detector-tests
diff --git a/packages/sdk/hardhat.config.ts b/packages/sdk/hardhat.config.ts
index 6a7a6ab8baf8..719737cf7a02 100644
--- a/packages/sdk/hardhat.config.ts
+++ b/packages/sdk/hardhat.config.ts
@@ -59,11 +59,6 @@ const config: HardhatUserConfig = {
         '../contracts-bedrock/deployments/goerli',
         '../contracts/deployments/goerli',
       ],
-      'final-migration-rehearsal': [
-        '../contracts-bedrock/deployments/final-migration-rehearsal',
-        '../contracts/deployments/goerli',
-        '../contracts-periphery/deployments/goerli',
-      ],
     },
   },
 }