diff --git a/src/stringComments/index.ts b/src/stringComments/index.ts
index d1642e2b7..be0ff6c43 100644
--- a/src/stringComments/index.ts
+++ b/src/stringComments/index.ts
@@ -122,6 +122,21 @@ export class StringComments extends CrowdinApi {
         const url = `${this.url}/projects/${projectId}/comments`;
         return this.patch(url, request, this.defaultConfig());
     }
+
+    /**
+     * @param projectId project identifier
+     * @param stringCommentId string comment identifier
+     * @param attachmentId attachment identifier
+     * @see https://developer.crowdin.com/api/v2/#operation/api.projects.comments.attachments.delete
+     */
+    deleteStringCommentAttachment(
+        projectId: number,
+        stringCommentId: number,
+        attachmentId: number,
+    ): Promise<ResponseObject<StringCommentsModel.StringComment>> {
+        const url = `${this.url}/projects/${projectId}/comments/${stringCommentId}/attachments/${attachmentId}`;
+        return this.delete(url, this.defaultConfig());
+    }
 }
 
 export namespace StringCommentsModel {
@@ -159,6 +174,18 @@ export namespace StringCommentsModel {
         resolver: User;
         resolvedAt: string;
         createdAt: string;
+        attachments?: Attachment[];
+    }
+
+    export interface Attachment {
+        id: number;
+        name: string;
+        mime: string;
+        size: number;
+        category: string;
+        thumbnailUrl: string | null;
+        url: string;
+        downloadUrl: string;
     }
 
     export interface User {
@@ -185,6 +212,11 @@ export namespace StringCommentsModel {
         type: Type;
         isShared?: boolean;
         issueType?: IssueType;
+        attachments?: AttachmentRequest[];
+    }
+
+    export interface AttachmentRequest {
+        id: number;
     }
 
     export type Type = 'comment' | 'issue';
diff --git a/tests/stringComments/api.test.ts b/tests/stringComments/api.test.ts
index 124b7d149..4191771df 100644
--- a/tests/stringComments/api.test.ts
+++ b/tests/stringComments/api.test.ts
@@ -11,6 +11,7 @@ describe('String Comments API', () => {
     const projectId = 2;
     const stringId = 3;
     const stringCommentId = 4;
+    const attachmentId = 5;
     const text = 'test';
     const languageId = 'uk';
     const type = 'comment';
@@ -131,6 +132,17 @@ describe('String Comments API', () => {
                         },
                     },
                 ],
+            })
+            .delete(`/projects/${projectId}/comments/${stringCommentId}/attachments/${attachmentId}`, undefined, {
+                reqheaders: {
+                    Authorization: `Bearer ${api.token}`,
+                },
+            })
+            .reply(200, {
+                data: {
+                    id: stringCommentId,
+                    attachments: [],
+                },
             });
     });
 
@@ -197,4 +209,10 @@ describe('String Comments API', () => {
         expect(translations.data[0].data.type).toBe(type);
         expect(translations.data[0].data.issueType).toBe(issueType);
     });
+
+    it('Delete string comment attachment', async () => {
+        const comment = await api.deleteStringCommentAttachment(projectId, stringCommentId, attachmentId);
+        expect(comment.data.id).toBe(stringCommentId);
+        expect(comment.data.attachments).toEqual([]);
+    });
 });