diff --git a/packages/core/src/InputRule.ts b/packages/core/src/InputRule.ts
index 2a943871..d147faff 100644
--- a/packages/core/src/InputRule.ts
+++ b/packages/core/src/InputRule.ts
@@ -1,9 +1,4 @@
-import {
-  EditorState,
-  Plugin,
-  TextSelection,
-  Transaction,
-} from 'prosemirror-state'
+import { EditorState, Plugin, TextSelection } from 'prosemirror-state'
 import { Editor } from './Editor'
 import { CommandManager } from './CommandManager'
 import { createChainableState } from './helpers/createChainableState'
@@ -38,7 +33,7 @@ export class InputRule {
     commands: SingleCommands,
     chain: () => ChainedCommands,
     can: () => CanCommands,
-  }) => Transaction | null
+  }) => void | null
 
   constructor(config: {
     find: InputRuleFinder,
@@ -49,7 +44,7 @@ export class InputRule {
       commands: SingleCommands,
       chain: () => ChainedCommands,
       can: () => CanCommands,
-    }) => Transaction | null,
+    }) => void | null,
   }) {
     this.find = config.find
     this.handler = config.handler
@@ -163,7 +158,7 @@ function run(config: {
     })
 
     // stop if there are no changes
-    if (!handler || !tr.steps.length) {
+    if (handler === null || !tr.steps.length) {
       return
     }
 
diff --git a/packages/core/src/PasteRule.ts b/packages/core/src/PasteRule.ts
index b220de1a..4ed48f5d 100644
--- a/packages/core/src/PasteRule.ts
+++ b/packages/core/src/PasteRule.ts
@@ -1,4 +1,4 @@
-import { EditorState, Plugin, Transaction } from 'prosemirror-state'
+import { EditorState, Plugin } from 'prosemirror-state'
 import { Editor } from './Editor'
 import { CommandManager } from './CommandManager'
 import { createChainableState } from './helpers/createChainableState'
@@ -34,7 +34,7 @@ export class PasteRule {
     commands: SingleCommands,
     chain: () => ChainedCommands,
     can: () => CanCommands,
-  }) => Transaction | null
+  }) => void | null
 
   constructor(config: {
     find: PasteRuleFinder,
@@ -45,7 +45,7 @@ export class PasteRule {
       commands: SingleCommands,
       chain: () => ChainedCommands,
       can: () => CanCommands,
-    }) => Transaction | null,
+    }) => void | null,
   }) {
     this.find = config.find
     this.handler = config.handler
@@ -103,7 +103,7 @@ function run(config: {
     state,
   })
 
-  const handlers: (Transaction | null)[] = []
+  const handlers: (void | null)[] = []
 
   state.doc.nodesBetween(from, to, (node, pos) => {
     if (!node.isTextblock || node.type.spec.code) {
diff --git a/packages/core/src/inputRules/markInputRule.ts b/packages/core/src/inputRules/markInputRule.ts
index b01b63bb..faca667c 100644
--- a/packages/core/src/inputRules/markInputRule.ts
+++ b/packages/core/src/inputRules/markInputRule.ts
@@ -64,8 +64,6 @@ export function markInputRule(config: {
 
         tr.removeStoredMark(config.type)
       }
-
-      return tr
     },
   })
 }
diff --git a/packages/core/src/inputRules/nodeInputRule.ts b/packages/core/src/inputRules/nodeInputRule.ts
index c80cb917..0dc14da4 100644
--- a/packages/core/src/inputRules/nodeInputRule.ts
+++ b/packages/core/src/inputRules/nodeInputRule.ts
@@ -45,8 +45,6 @@ export function nodeInputRule(config: {
       } else if (match[0]) {
         tr.replaceWith(start, end, config.type.create(attributes))
       }
-
-      return tr
     },
   })
 }
diff --git a/packages/core/src/inputRules/textInputRule.ts b/packages/core/src/inputRules/textInputRule.ts
index bfc5e137..75414b03 100644
--- a/packages/core/src/inputRules/textInputRule.ts
+++ b/packages/core/src/inputRules/textInputRule.ts
@@ -29,11 +29,7 @@ export function textInputRule(config: {
         }
       }
 
-      const { tr } = state
-
-      tr.insertText(insert, start, end)
-
-      return tr
+      state.tr.insertText(insert, start, end)
     },
   })
 }
diff --git a/packages/core/src/inputRules/textblockTypeInputRule.ts b/packages/core/src/inputRules/textblockTypeInputRule.ts
index 79ca14a7..f879082d 100644
--- a/packages/core/src/inputRules/textblockTypeInputRule.ts
+++ b/packages/core/src/inputRules/textblockTypeInputRule.ts
@@ -29,12 +29,9 @@ export function textblockTypeInputRule(config: {
         return null
       }
 
-      const { tr } = state
-
-      tr.delete(range.from, range.to)
+      state.tr
+        .delete(range.from, range.to)
         .setBlockType(range.from, range.from, config.type, attributes)
-
-      return tr
     },
   })
 }
diff --git a/packages/core/src/inputRules/wrappingInputRule.ts b/packages/core/src/inputRules/wrappingInputRule.ts
index b6e3002f..ba540e6a 100644
--- a/packages/core/src/inputRules/wrappingInputRule.ts
+++ b/packages/core/src/inputRules/wrappingInputRule.ts
@@ -54,8 +54,6 @@ export function wrappingInputRule(config: {
       ) {
         tr.join(range.from - 1)
       }
-
-      return tr
     },
   })
 }
diff --git a/packages/core/src/pasteRules/markPasteRule.ts b/packages/core/src/pasteRules/markPasteRule.ts
index 9dee9584..f4949b32 100644
--- a/packages/core/src/pasteRules/markPasteRule.ts
+++ b/packages/core/src/pasteRules/markPasteRule.ts
@@ -64,8 +64,6 @@ export function markPasteRule(config: {
 
         tr.removeStoredMark(config.type)
       }
-
-      return tr
     },
   })
 }
diff --git a/packages/core/src/pasteRules/textPasteRule.ts b/packages/core/src/pasteRules/textPasteRule.ts
index e82b2cc7..6e0d94c3 100644
--- a/packages/core/src/pasteRules/textPasteRule.ts
+++ b/packages/core/src/pasteRules/textPasteRule.ts
@@ -29,11 +29,7 @@ export function textPasteRule(config: {
         }
       }
 
-      const { tr } = state
-
-      tr.insertText(insert, start, end)
-
-      return tr
+      state.tr.insertText(insert, start, end)
     },
   })
 }