diff --git a/packages/abi/src.ts/abi-coder.ts b/packages/abi/src.ts/abi-coder.ts
index 47cf03190..9056ae91c 100644
--- a/packages/abi/src.ts/abi-coder.ts
+++ b/packages/abi/src.ts/abi-coder.ts
@@ -33,7 +33,6 @@ export class AbiCoder {
     readonly coerceFunc: CoerceFunc;
 
     constructor(coerceFunc?: CoerceFunc) {
-        logger.checkNew(new.target, AbiCoder);
         defineReadOnly(this, "coerceFunc", coerceFunc || null);
     }
 
diff --git a/packages/abi/src.ts/interface.ts b/packages/abi/src.ts/interface.ts
index 4a2fb0b90..af80974ae 100644
--- a/packages/abi/src.ts/interface.ts
+++ b/packages/abi/src.ts/interface.ts
@@ -90,8 +90,6 @@ export class Interface {
     readonly _isInterface: boolean;
 
     constructor(fragments: string | ReadonlyArray<Fragment | JsonFragment | string>) {
-        logger.checkNew(new.target, Interface);
-
         let abi: ReadonlyArray<Fragment | JsonFragment | string> = [ ];
         if (typeof(fragments) === "string") {
             abi = JSON.parse(fragments);
diff --git a/packages/abstract-signer/src.ts/index.ts b/packages/abstract-signer/src.ts/index.ts
index f0e5d875e..65979e8ac 100644
--- a/packages/abstract-signer/src.ts/index.ts
+++ b/packages/abstract-signer/src.ts/index.ts
@@ -341,7 +341,6 @@ export class VoidSigner extends Signer implements TypedDataSigner {
     readonly address: string;
 
     constructor(address: string, provider?: Provider) {
-        logger.checkNew(new.target, VoidSigner);
         super();
         defineReadOnly(this, "address", address);
         defineReadOnly(this, "provider", provider || null);
diff --git a/packages/bignumber/src.ts/bignumber.ts b/packages/bignumber/src.ts/bignumber.ts
index 872661823..31d4c448c 100644
--- a/packages/bignumber/src.ts/bignumber.ts
+++ b/packages/bignumber/src.ts/bignumber.ts
@@ -43,8 +43,6 @@ export class BigNumber implements Hexable {
     readonly _isBigNumber: boolean;
 
     constructor(constructorGuard: any, hex: string) {
-        logger.checkNew(new.target, BigNumber);
-
         if (constructorGuard !== _constructorGuard) {
             logger.throwError("cannot call constructor directly; use BigNumber.from", Logger.errors.UNSUPPORTED_OPERATION, {
                 operation: "new (BigNumber)"
diff --git a/packages/bignumber/src.ts/fixednumber.ts b/packages/bignumber/src.ts/fixednumber.ts
index 4b615c25f..de25fd065 100644
--- a/packages/bignumber/src.ts/fixednumber.ts
+++ b/packages/bignumber/src.ts/fixednumber.ts
@@ -202,8 +202,6 @@ export class FixedNumber {
     readonly _isFixedNumber: boolean;
 
     constructor(constructorGuard: any, hex: string, value: string, format?: FixedFormat) {
-        logger.checkNew(new.target, FixedNumber);
-
         if (constructorGuard !== _constructorGuard) {
             logger.throwError("cannot use FixedNumber constructor; use FixedNumber.from", Logger.errors.UNSUPPORTED_OPERATION, {
                 operation: "new FixedFormat"
diff --git a/packages/contracts/src.ts/index.ts b/packages/contracts/src.ts/index.ts
index 40afbf84d..1877cc187 100644
--- a/packages/contracts/src.ts/index.ts
+++ b/packages/contracts/src.ts/index.ts
@@ -657,8 +657,6 @@ export class BaseContract {
     _wrappedEmits: { [ eventTag: string ]: (...args: Array<any>) => void };
 
     constructor(addressOrName: string, contractInterface: ContractInterface, signerOrProvider?: Signer | Provider) {
-        logger.checkNew(new.target, Contract);
-
         // @TODO: Maybe still check the addressOrName looks like a valid address or name?
         //address = getAddress(address);
         defineReadOnly(this, "interface", getStatic<InterfaceFunc>(new.target, "getInterface")(contractInterface));
diff --git a/packages/experimental/src.ts/nonce-manager.ts b/packages/experimental/src.ts/nonce-manager.ts
index c7e00b420..9cf16c5bf 100644
--- a/packages/experimental/src.ts/nonce-manager.ts
+++ b/packages/experimental/src.ts/nonce-manager.ts
@@ -2,10 +2,6 @@
 
 import { ethers } from "ethers";
 
-import { version } from "./_version";
-
-const logger = new ethers.utils.Logger(version);
-
 // @TODO: Keep a per-NonceManager pool of sent but unmined transactions for
 //        rebroadcasting, in case we overrun the transaction pool
 
@@ -16,7 +12,6 @@ export class NonceManager extends ethers.Signer {
     _deltaCount: number;
 
     constructor(signer: ethers.Signer) {
-        logger.checkNew(new.target, NonceManager);
         super();
         this._deltaCount = 0;
         ethers.utils.defineReadOnly(this, "signer", signer);
diff --git a/packages/hdnode/src.ts/index.ts b/packages/hdnode/src.ts/index.ts
index 2fb609d0c..194a70f65 100644
--- a/packages/hdnode/src.ts/index.ts
+++ b/packages/hdnode/src.ts/index.ts
@@ -97,8 +97,6 @@ export class HDNode implements ExternallyOwnedAccount {
      *   - fromSeed
      */
     constructor(constructorGuard: any, privateKey: string, publicKey: string, parentFingerprint: string, chainCode: string, index: number, depth: number, mnemonicOrPath: Mnemonic | string) {
-        logger.checkNew(new.target, HDNode);
-
         /* istanbul ignore if */
         if (constructorGuard !== _constructorGuard) {
             throw new Error("HDNode constructor cannot be called directly");
diff --git a/packages/providers/src.ts/base-provider.ts b/packages/providers/src.ts/base-provider.ts
index ca1b2c32b..685bd251e 100644
--- a/packages/providers/src.ts/base-provider.ts
+++ b/packages/providers/src.ts/base-provider.ts
@@ -738,8 +738,6 @@ export class BaseProvider extends Provider implements EnsProvider {
      */
 
     constructor(network: Networkish | Promise<Network>) {
-        logger.checkNew(new.target, Provider);
-
         super();
 
         // Events being listened to
diff --git a/packages/providers/src.ts/etherscan-provider.ts b/packages/providers/src.ts/etherscan-provider.ts
index 4e8db11b8..a51002038 100644
--- a/packages/providers/src.ts/etherscan-provider.ts
+++ b/packages/providers/src.ts/etherscan-provider.ts
@@ -163,8 +163,6 @@ export class EtherscanProvider extends BaseProvider{
     readonly apiKey: string;
 
     constructor(network?: Networkish, apiKey?: string) {
-        logger.checkNew(new.target, EtherscanProvider);
-
         super(network);
 
         defineReadOnly(this, "baseUrl", this.getBaseUrl());
diff --git a/packages/providers/src.ts/fallback-provider.ts b/packages/providers/src.ts/fallback-provider.ts
index 0931a6fa3..3ae4e8b53 100644
--- a/packages/providers/src.ts/fallback-provider.ts
+++ b/packages/providers/src.ts/fallback-provider.ts
@@ -410,8 +410,6 @@ export class FallbackProvider extends BaseProvider {
     _highestBlockNumber: number;
 
     constructor(providers: Array<Provider | FallbackProviderConfig>, quorum?: number) {
-        logger.checkNew(new.target, FallbackProvider);
-
         if (providers.length === 0) {
             logger.throwArgumentError("missing providers", "providers", providers);
         }
diff --git a/packages/providers/src.ts/formatter.ts b/packages/providers/src.ts/formatter.ts
index fd7eddc87..b8003da65 100644
--- a/packages/providers/src.ts/formatter.ts
+++ b/packages/providers/src.ts/formatter.ts
@@ -31,7 +31,6 @@ export class Formatter {
     readonly formats: Formats;
 
     constructor() {
-        logger.checkNew(new.target, Formatter);
         this.formats = this.getDefaultFormats();
     }
 
diff --git a/packages/providers/src.ts/ipc-provider.ts b/packages/providers/src.ts/ipc-provider.ts
index c011ee8c5..6f0e58ce4 100644
--- a/packages/providers/src.ts/ipc-provider.ts
+++ b/packages/providers/src.ts/ipc-provider.ts
@@ -16,8 +16,6 @@ export class IpcProvider extends JsonRpcProvider {
     readonly path: string;
 
     constructor(path: string, network?: Networkish) {
-        logger.checkNew(new.target, IpcProvider);
-
         if (path == null) {
             logger.throwError("missing path", Logger.errors.MISSING_ARGUMENT, { arg: "path" });
         }
diff --git a/packages/providers/src.ts/json-rpc-provider.ts b/packages/providers/src.ts/json-rpc-provider.ts
index 417a2b9bc..2ec14d06b 100644
--- a/packages/providers/src.ts/json-rpc-provider.ts
+++ b/packages/providers/src.ts/json-rpc-provider.ts
@@ -144,8 +144,6 @@ export class JsonRpcSigner extends Signer implements TypedDataSigner {
     _address: string;
 
     constructor(constructorGuard: any, provider: JsonRpcProvider, addressOrIndex?: string | number) {
-        logger.checkNew(new.target, JsonRpcSigner);
-
         super();
 
         if (constructorGuard !== _constructorGuard) {
@@ -354,8 +352,6 @@ export class JsonRpcProvider extends BaseProvider {
     }
 
     constructor(url?: ConnectionInfo | string, network?: Networkish) {
-        logger.checkNew(new.target, JsonRpcProvider);
-
         let networkOrReady: Networkish | Promise<Network> = network;
 
         // The network is unknown, query the JSON-RPC for it
diff --git a/packages/providers/src.ts/web3-provider.ts b/packages/providers/src.ts/web3-provider.ts
index 9c337af98..352a67bb7 100644
--- a/packages/providers/src.ts/web3-provider.ts
+++ b/packages/providers/src.ts/web3-provider.ts
@@ -123,8 +123,6 @@ export class Web3Provider extends JsonRpcProvider {
     readonly jsonRpcFetchFunc: JsonRpcFetchFunc;
 
     constructor(provider: ExternalProvider | JsonRpcFetchFunc, network?: Networkish) {
-        logger.checkNew(new.target, Web3Provider);
-
         if (provider == null) {
             logger.throwArgumentError("missing provider", "provider", provider);
         }
diff --git a/packages/wallet/src.ts/index.ts b/packages/wallet/src.ts/index.ts
index b95512f33..eccf45866 100644
--- a/packages/wallet/src.ts/index.ts
+++ b/packages/wallet/src.ts/index.ts
@@ -38,8 +38,6 @@ export class Wallet extends Signer implements ExternallyOwnedAccount, TypedDataS
     readonly _mnemonic: () => Mnemonic;
 
     constructor(privateKey: BytesLike | ExternallyOwnedAccount | SigningKey, provider?: Provider) {
-        logger.checkNew(new.target, Wallet);
-
         super();
 
         if (isAccount(privateKey)) {