diff --git a/yarn-project/noir-contracts/src/examples/non_native_token_contract.json b/yarn-project/noir-contracts/src/examples/non_native_token_contract.json
index e8768fde684d..c9978eae3004 100644
--- a/yarn-project/noir-contracts/src/examples/non_native_token_contract.json
+++ b/yarn-project/noir-contracts/src/examples/non_native_token_contract.json
@@ -366,9 +366,7 @@
           "visibility": "private"
         }
       ],
-      "returnTypes": [
-        null
-      ],
+      "returnTypes": [null],
       "bytecode": 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       "verificationKey": "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"
     }
diff --git a/yarn-project/noir-contracts/src/examples/public_private_contract.json b/yarn-project/noir-contracts/src/examples/public_private_contract.json
index 0e34292d30cd..c73fe8715bf6 100644
--- a/yarn-project/noir-contracts/src/examples/public_private_contract.json
+++ b/yarn-project/noir-contracts/src/examples/public_private_contract.json
@@ -28,9 +28,7 @@
           "visibility": "private"
         }
       ],
-      "returnTypes": [
-        null
-      ],
+      "returnTypes": [null],
       "bytecode": "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",
       "verificationKey": "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"
     },
@@ -158,9 +156,7 @@
           "visibility": "private"
         }
       ],
-      "returnTypes": [
-        null
-      ],
+      "returnTypes": [null],
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