diff --git a/docs/METHODS_CONSTANTS.md b/docs/METHODS_CONSTANTS.md
index 5fc0d37fb5..bdb9e7a89e 100644
--- a/docs/METHODS_CONSTANTS.md
+++ b/docs/METHODS_CONSTANTS.md
@@ -136,7 +136,7 @@ ___
 
 ### elections
 
-▸ **aPPROVAL_SET_SIZE**: `u32`
+▸ **approvalSetSize**: `u32`
 - **summary**:   The chunk size of the approval vector.
 
 ▸ **candidacyBond**: `BalanceOf`
@@ -154,7 +154,7 @@ ___
 ▸ **presentSlashPerVoter**: `BalanceOf`
 - **summary**:   The punishment, per voter, if you provide an invalid presentation. A  reasonable default value is 1.
 
-▸ **vOTER_SET_SIZE**: `u32`
+▸ **voterSetSize**: `u32`
 - **summary**:   The chunk size of the voter vector.
 
 ▸ **votingBond**: `BalanceOf`
@@ -190,7 +190,7 @@ ___
 
 ### session
 
-▸ **dEDUP_KEY_PREFIX**: `Bytes`
+▸ **dedupKeyPrefix**: `Bytes`
 - **summary**:   Used as first key for `NextKeys` and `KeyOwner` to put all the data into the same branch  of the trie.
 
 ___
diff --git a/docs/METHODS_RPC.md b/docs/METHODS_RPC.md
index bbd5b6cba4..2d7f3dc983 100644
--- a/docs/METHODS_RPC.md
+++ b/docs/METHODS_RPC.md
@@ -20,8 +20,11 @@ _Authoring of network items_
 ▸ **pendingExtrinsics**(): `Vec<Extrinsic>`
 - **summary**: Returns all pending extrinsics, potentially grouped by sender
 
+▸ **removeExtrinsic**(bytesOrHash: `Vec<ExtrinsicOrHash>`): `Vec<Hash>`
+- **summary**: Remove given extrinsic from the pool and temporarily ban it to prevent reimporting
+
 ▸ **submitAndWatchExtrinsic**(extrinsic: `Extrinsic`): `ExtrinsicStatus`
-- **summary**: Subscribe and watch an extrinsic until unsubscribed
+- **summary**: Submit and subscribe to watch an extrinsic until unsubscribed
 
 ▸ **submitExtrinsic**(extrinsic: `Extrinsic`): `Hash`
 - **summary**: Submit a fully formatted extrinsic for block inclusion
diff --git a/lerna.json b/lerna.json
index 8fccad5d7c..25646f8e24 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.90.0-beta.6"
+  "version": "0.90.0-beta.7"
 }
diff --git a/package.json b/package.json
index f395180e7c..57b0bb91ec 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.90.0-beta.6",
+  "version": "0.90.0-beta.7",
   "private": true,
   "engines": {
     "yarn": "^1.10.1"
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 8db74e44eb..da7e458a48 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "0.90.0-beta.6",
+  "version": "0.90.0-beta.7",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
   "keywords": [
@@ -27,6 +27,6 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.5.5",
-    "@polkadot/types": "^0.90.0-beta.6"
+    "@polkadot/types": "^0.90.0-beta.7"
   }
 }
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index d6138ae329..ccc186bd00 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "0.90.0-beta.6",
+  "version": "0.90.0-beta.7",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
   "keywords": [
@@ -28,8 +28,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
     "@babel/runtime": "^7.5.5",
-    "@polkadot/api": "^0.90.0-beta.6",
-    "@polkadot/types": "^0.90.0-beta.6"
+    "@polkadot/api": "^0.90.0-beta.7",
+    "@polkadot/types": "^0.90.0-beta.7"
   },
   "devDependencies": {
     "@polkadot/keyring": "^0.95.0-beta.3"
diff --git a/packages/api-metadata/package.json b/packages/api-metadata/package.json
index f4879ac742..c6dedb4f7b 100644
--- a/packages/api-metadata/package.json
+++ b/packages/api-metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-metadata",
-  "version": "0.90.0-beta.6",
+  "version": "0.90.0-beta.7",
   "description": "Helpers to extract information from runtime metadata",
   "main": "index.js",
   "publishConfig": {
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-metadata#readme",
   "dependencies": {
     "@babel/runtime": "^7.5.5",
-    "@polkadot/types": "^0.90.0-beta.6",
+    "@polkadot/types": "^0.90.0-beta.7",
     "@polkadot/util": "^0.95.0-beta.3",
     "@polkadot/util-crypto": "^0.95.0-beta.3"
   },
diff --git a/packages/api/package.json b/packages/api/package.json
index dabd415da5..6feb8ef96e 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "0.90.0-beta.6",
+  "version": "0.90.0-beta.7",
   "description": "Promise and RxJS wrappers around the Polkadot JS RPC",
   "main": "index.js",
   "keywords": [
@@ -27,11 +27,11 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
     "@babel/runtime": "^7.5.5",
-    "@polkadot/api-derive": "^0.90.0-beta.6",
-    "@polkadot/api-metadata": "^0.90.0-beta.6",
-    "@polkadot/rpc-core": "^0.90.0-beta.6",
-    "@polkadot/rpc-provider": "^0.90.0-beta.6",
-    "@polkadot/types": "^0.90.0-beta.6",
+    "@polkadot/api-derive": "^0.90.0-beta.7",
+    "@polkadot/api-metadata": "^0.90.0-beta.7",
+    "@polkadot/rpc-core": "^0.90.0-beta.7",
+    "@polkadot/rpc-provider": "^0.90.0-beta.7",
+    "@polkadot/types": "^0.90.0-beta.7",
     "@polkadot/util-crypto": "^0.95.0-beta.3"
   },
   "devDependencies": {
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 92e6cda63d..3b3c0ae052 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "0.90.0-beta.6",
+  "version": "0.90.0-beta.7",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "keywords": [
@@ -27,9 +27,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
     "@babel/runtime": "^7.5.5",
-    "@polkadot/jsonrpc": "^0.90.0-beta.6",
-    "@polkadot/rpc-provider": "^0.90.0-beta.6",
-    "@polkadot/types": "^0.90.0-beta.6",
+    "@polkadot/jsonrpc": "^0.90.0-beta.7",
+    "@polkadot/rpc-provider": "^0.90.0-beta.7",
+    "@polkadot/types": "^0.90.0-beta.7",
     "@polkadot/util": "^0.95.0-beta.3",
     "rxjs": "^6.5.2"
   }
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index ee8ed59122..2278d822fc 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "0.90.0-beta.6",
+  "version": "0.90.0-beta.7",
   "description": "Transport providers for the API",
   "main": "index.js",
   "keywords": [
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.5.5",
-    "@polkadot/api-metadata": "^0.90.0-beta.6",
+    "@polkadot/api-metadata": "^0.90.0-beta.7",
     "@polkadot/util": "^0.95.0-beta.3",
     "@polkadot/util-crypto": "^0.95.0-beta.3",
     "@types/nock": "^10.0.3",
diff --git a/packages/type-jsonrpc/package.json b/packages/type-jsonrpc/package.json
index dbc9582ab1..b11048000a 100644
--- a/packages/type-jsonrpc/package.json
+++ b/packages/type-jsonrpc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/jsonrpc",
-  "version": "0.90.0-beta.6",
+  "version": "0.90.0-beta.7",
   "description": "Method definitions for the Polkadot RPC layer",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/types/package.json b/packages/types/package.json
index be9a89dd2c..9e7e1a91fb 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "0.90.0-beta.6",
+  "version": "0.90.0-beta.7",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "keywords": [