diff --git a/packages/page-contracts/src/Codes/Code.tsx b/packages/page-contracts/src/Codes/Code.tsx
index 08f018dac3..a22ba8f9cd 100644
--- a/packages/page-contracts/src/Codes/Code.tsx
+++ b/packages/page-contracts/src/Codes/Code.tsx
@@ -30,14 +30,12 @@ function Code ({ className, code, onShowDeploy }: Props): React.ReactElement<Pro
   const { contractAbi, isAbiError, isAbiSupplied, isAbiValid, onChangeAbi, onRemoveAbi } = useAbi([code.json.abi || null, code.contractAbi || null], codeHash, true);
 
   const _onShowDeploy = useCallback(
-    (): void => onShowDeploy(codeHash)(),
+    () => onShowDeploy(codeHash)(),
     [codeHash, onShowDeploy]
   );
 
   const _onDeployConstructor = useCallback(
-    (constructorIndex = 0): void => {
-      codeHash && onShowDeploy && onShowDeploy(codeHash, constructorIndex)();
-    },
+    (constructorIndex = 0) => codeHash && onShowDeploy && onShowDeploy(codeHash, constructorIndex)(),
     [codeHash, onShowDeploy]
   );
 
diff --git a/packages/page-contracts/src/Contracts/Call.tsx b/packages/page-contracts/src/Contracts/Call.tsx
index 70c41f6d24..c17bc35f57 100644
--- a/packages/page-contracts/src/Contracts/Call.tsx
+++ b/packages/page-contracts/src/Contracts/Call.tsx
@@ -75,7 +75,7 @@ function Call (props: Props): React.ReactElement<Props> | null {
   );
 
   const _constructTx = useCallback(
-    (): any[] => {
+    (): unknown[] => {
       if (!accountId || !callMessage || !callMessage.fn || !callContract || !callContract.address) {
         return [];
       }
@@ -102,14 +102,12 @@ function Call (props: Props): React.ReactElement<Props> | null {
   );
 
   const _onClearOutcomes = useCallback(
-    (): void => setOutcomes([]),
+    () => setOutcomes([]),
     []
   );
 
   const _onClearOutcome = useCallback(
-    (outcomeIndex: number) => (): void => {
-      setOutcomes(outcomes.slice(0, outcomeIndex).concat(outcomes.slice(outcomeIndex + 1)));
-    },
+    (outcomeIndex: number) => () => setOutcomes(outcomes.slice(0, outcomeIndex).concat(outcomes.slice(outcomeIndex + 1))),
     [outcomes]
   );
 
diff --git a/packages/page-contracts/src/Deploy.tsx b/packages/page-contracts/src/Deploy.tsx
index 58e470439f..2e65be3aaf 100644
--- a/packages/page-contracts/src/Deploy.tsx
+++ b/packages/page-contracts/src/Deploy.tsx
@@ -2,8 +2,9 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import { AccountId } from '@polkadot/types/interfaces';
 import { StringOrNull, VoidFn } from '@polkadot/react-components/types';
+import { AccountId } from '@polkadot/types/interfaces';
+import { CodecArg } from '@polkadot/types/types';
 import { CodeStored } from './types';
 
 import BN from 'bn.js';
@@ -73,38 +74,29 @@ function Deploy ({ allCodes, basePath, codeHash, constructorIndex = 0, isOpen, o
         return [];
       }
 
-      return contractAbi.abi.contract.constructors.map(
-        (constr, index) => {
-          return {
-            key: `${index}`,
-            text: (
-              <MessageSignature
-                asConstructor
-                message={constr}
-              />
-            ),
-            value: `${index}`
-          };
-        });
+      return contractAbi.abi.contract.constructors.map((message, index) => ({
+        key: `${index}`,
+        text: (
+          <MessageSignature
+            asConstructor
+            message={message}
+          />
+        ),
+        value: `${index}`
+      }));
     },
     [contractAbi]
   );
 
-  const [params, setParams] = useState<any[]>(
-    contractAbi && constructorIndex >= 0 ? contractAbi.abi.contract.constructors[constructorIndex].args : []
-  );
+  const [params, setParams] = useState<unknown[]>(contractAbi && constructorIndex >= 0 ? contractAbi.abi.contract.constructors[constructorIndex].args : []);
 
   useEffect(
-    (): void => {
-      setParams(contractAbi ? contractAbi.abi.contract.constructors[constructorIndex].args : []);
-    },
+    () => setParams(contractAbi ? contractAbi.abi.contract.constructors[constructorIndex].args : []),
     [constructorIndex, contractAbi]
   );
 
   useEffect(
-    (): void => {
-      setName(t(defaultContractName(code.json.name)));
-    },
+    () => setName(t(defaultContractName(code.json.name))),
     [code, setName, t]
   );
 
@@ -114,7 +106,7 @@ function Deploy ({ allCodes, basePath, codeHash, constructorIndex = 0, isOpen, o
         return [];
       }
 
-      return [endowment, weight, codeHash, contractAbi.constructors[constructorIndex](...params)];
+      return [endowment, weight, codeHash, contractAbi.constructors[constructorIndex](...(params as CodecArg[]))];
     },
     [codeHash, constructorIndex, contractAbi, endowment, params, weight]
   );
diff --git a/packages/page-contracts/src/shared/CodeRow.tsx b/packages/page-contracts/src/shared/CodeRow.tsx
index 9916e49afa..5844843d84 100644
--- a/packages/page-contracts/src/shared/CodeRow.tsx
+++ b/packages/page-contracts/src/shared/CodeRow.tsx
@@ -51,10 +51,9 @@ function CodeRow ({ buttons, children, className, code: { json }, isInline, with
 
   const _onSaveTags = useCallback(
     (): void => {
-      if (codeHash) {
-        contracts.saveCode(createType(registry, 'Hash', codeHash), { tags })
-          .catch((e): void => console.error(e));
-      }
+      codeHash && contracts
+        .saveCode(createType(registry, 'Hash', codeHash), { tags })
+        .catch((e): void => console.error(e));
     },
     [codeHash, tags]
   );
diff --git a/packages/page-contracts/src/shared/Params.tsx b/packages/page-contracts/src/shared/Params.tsx
index d23a1e9f45..8fc3f477f7 100644
--- a/packages/page-contracts/src/shared/Params.tsx
+++ b/packages/page-contracts/src/shared/Params.tsx
@@ -29,7 +29,7 @@ function Params ({ isDisabled, onChange, onEnter, params: propParams }: Props):
   }, [propParams]);
 
   const _onChange = useCallback(
-    (values: RawParams) => onChange(values.map(({ value }): any => value)),
+    (values: RawParams) => onChange(values.map(({ value }) => value)),
     [onChange]
   );