diff --git a/packages/core/src/plugins/core.ts b/packages/core/src/plugins/core.ts
index 11e3fc18..85e6d036 100644
--- a/packages/core/src/plugins/core.ts
+++ b/packages/core/src/plugins/core.ts
@@ -4,12 +4,14 @@ import { edimHistoryPlugins } from './history';
 import { edimVirtualCursorPlugins } from './virtual-cursor';
 import { edimDropCursorPlugins } from './drop-cursor';
 import { edimGapCursorPlugins } from './gap-cursor';
+import { edimResetMarkPlugins } from './reset-mark';
 
 export const edimCorePlugins = (): PMPlugin[] => {
   return [
     ...edimBasicKeymapPlugins(),
     ...edimHistoryPlugins(),
     ...edimVirtualCursorPlugins(),
+    ...edimResetMarkPlugins(),
     ...edimDropCursorPlugins(),
     ...edimGapCursorPlugins(),
   ];
diff --git a/packages/core/src/plugins/index.ts b/packages/core/src/plugins/index.ts
index a55b3fde..53dca7f9 100644
--- a/packages/core/src/plugins/index.ts
+++ b/packages/core/src/plugins/index.ts
@@ -5,3 +5,4 @@ export * from './keymap';
 export * from './core';
 export * from './drop-cursor';
 export * from './gap-cursor';
+export * from './reset-mark';
diff --git a/packages/core/src/plugins/keymap.ts b/packages/core/src/plugins/keymap.ts
index 23fdffb2..b104cf24 100644
--- a/packages/core/src/plugins/keymap.ts
+++ b/packages/core/src/plugins/keymap.ts
@@ -5,6 +5,17 @@ import { clearMarks } from '../commands';
 
 export const edimBasicKeymapPlugins = (): Plugin[] => {
   return [
+    keymap({
+      Backspace: (state, dispatch) => {
+        const selection = state.selection;
+
+        if (!selection.empty || selection.from !== selection.to) {
+          return false;
+        }
+
+        return false;
+      },
+    }),
     keymap({
       /**
        * Switch to the default node of the Schema when the first node is empty.
@@ -31,6 +42,8 @@ export const edimBasicKeymapPlugins = (): Plugin[] => {
           return false;
         }
 
+        let tr = state.tr.setStoredMarks([]);
+
         const firstNodeFromSchema = Object.values(state.schema.nodes).find(
           (type) =>
             type.spec.group === 'block' &&
@@ -42,18 +55,19 @@ export const edimBasicKeymapPlugins = (): Plugin[] => {
         }
 
         if (firstNodeFromSchema === firstNode.type) {
-          return false;
+          dispatch?.(tr);
+          return true;
         }
 
         const newNode = firstNodeFromSchema.createAndFill();
 
         if (!newNode) {
-          return false;
+          dispatch?.(tr);
+          return true;
         }
 
-        const tr = state.tr.setNodeMarkup(0, firstNodeFromSchema);
+        tr = tr.setNodeMarkup(0, firstNodeFromSchema);
         dispatch?.(tr);
-
         return true;
       },
       'Mod-\\': clearMarks(),
diff --git a/packages/core/src/plugins/reset-mark.ts b/packages/core/src/plugins/reset-mark.ts
new file mode 100644
index 00000000..4f0cb160
--- /dev/null
+++ b/packages/core/src/plugins/reset-mark.ts
@@ -0,0 +1,19 @@
+import { Plugin as PMPlugin } from 'prosemirror-state';
+
+export const edimResetMarkPlugins = (): PMPlugin[] => {
+  const plugins: PMPlugin[] = [
+    new PMPlugin({
+      // props: {
+      //   handleKeyDown: (view, event) => {
+      //     if (event.key !== 'Backspace') {
+      //       return false;
+      //     }
+      //     console.log('backspace');
+      //     return false;
+      //   },
+      // },
+    }),
+  ];
+
+  return plugins;
+};