diff --git a/api/src/chat/schemas/types/pattern.ts b/api/src/chat/schemas/types/pattern.ts
index 6b430f69..48df5efe 100644
--- a/api/src/chat/schemas/types/pattern.ts
+++ b/api/src/chat/schemas/types/pattern.ts
@@ -8,8 +8,6 @@
 
 import { z } from 'zod';
 
-import { BlockFull } from '../block.schema';
-
 import { PayloadType } from './button';
 
 export const payloadPatternSchema = z.object({
@@ -59,19 +57,3 @@ export const patternSchema = z.union([
 ]);
 
 export type Pattern = z.infer<typeof patternSchema>;
-
-export type NlpPatternMatchResult = {
-  block: BlockFull;
-  matchedPattern: NlpPattern[];
-};
-
-export function isNlpPattern(pattern: NlpPattern) {
-  return (
-    (typeof pattern === 'object' &&
-      pattern !== null &&
-      'entity' in pattern &&
-      'match' in pattern &&
-      pattern.match === 'entity') ||
-    pattern.match === 'value'
-  );
-}
diff --git a/api/src/nlp/dto/nlp-entity.dto.ts b/api/src/nlp/dto/nlp-entity.dto.ts
index 98c1002b..8c5c49e7 100644
--- a/api/src/nlp/dto/nlp-entity.dto.ts
+++ b/api/src/nlp/dto/nlp-entity.dto.ts
@@ -13,7 +13,6 @@ import {
   IsIn,
   IsInt,
   IsNotEmpty,
-  IsNumber,
   IsOptional,
   IsString,
   Matches,
@@ -56,7 +55,6 @@ export class NlpEntityCreateDto {
     type: Number,
     minimum: 1,
   })
-  @IsNumber()
   @IsOptional()
   @Min(1, { message: 'Weight must be a positive integer' })
   @IsInt({ message: 'Weight must be an integer' })