diff --git a/server/src/GitlabApi.ts b/server/src/GitlabApi.ts
index f8d28c6..9ee8284 100644
--- a/server/src/GitlabApi.ts
+++ b/server/src/GitlabApi.ts
@@ -117,7 +117,6 @@ export interface MergeRequestInfo extends MergeRequest {
 		base_sha: string;
 		head_sha: string;
 	};
-	pipeline: MergeRequestPipeline | null;
 	head_pipeline: MergeRequestPipeline | null;
 	diverged_commits_count: number;
 	rebase_in_progress: boolean;
diff --git a/server/src/MergeRequestAcceptor.ts b/server/src/MergeRequestAcceptor.ts
index c450d72..d8209d3 100644
--- a/server/src/MergeRequestAcceptor.ts
+++ b/server/src/MergeRequestAcceptor.ts
@@ -315,18 +315,6 @@ export const acceptMergeRequest = async (
 		};
 	}
 
-	if (
-		mergeRequestInfo.pipeline !== null &&
-		startingOrInProgressPipelineStatuses.includes(mergeRequestInfo.pipeline.status)
-	) {
-		return {
-			kind: AcceptMergeRequestResultKind.PipelineInProgress,
-			mergeRequestInfo,
-			user,
-			pipeline: mergeRequestInfo.pipeline,
-		};
-	}
-
 	// the latest pipeline is incomplete / has failed
 	if (
 		mergeRequestInfo.head_pipeline !== null &&
@@ -446,7 +434,7 @@ const resolveCurrentPipeline = async (
 	user: User,
 	mergeRequestInfo: MergeRequestInfo,
 ): Promise<MergeRequestPipeline | null | false> => {
-	let currentPipeline: MergeRequestPipeline | null = mergeRequestInfo.pipeline;
+	let currentPipeline: MergeRequestPipeline | null = mergeRequestInfo.head_pipeline;
 
 	if (currentPipeline === null || currentPipeline.sha !== mergeRequestInfo.sha) {
 		const pipelines = await gitlabApi.getMergeRequestPipelines(
@@ -460,7 +448,7 @@ const resolveCurrentPipeline = async (
 
 			if (currentPipelineCandidate === undefined) {
 				const message =
-					mergeRequestInfo.pipeline === null
+					mergeRequestInfo.head_pipeline === null
 						? `[MR][${mergeRequestInfo.iid}] Merge request can't be merged. Pipeline does not exist`
 						: `[MR][${mergeRequestInfo.iid}] Merge request can't be merged. The latest pipeline is not executed on the latest commit`;
 				console.log(message);
@@ -638,7 +626,7 @@ export const runAcceptingMergeRequest = async (
 			kind: AcceptMergeRequestResultKind.InvalidPipeline,
 			mergeRequestInfo,
 			user,
-			pipeline: mergeRequestInfo.pipeline,
+			pipeline: mergeRequestInfo.head_pipeline,
 		};
 	}
 
diff --git a/server/src/PipelineCanceller.ts b/server/src/PipelineCanceller.ts
index 38cc35e..8659a11 100644
--- a/server/src/PipelineCanceller.ts
+++ b/server/src/PipelineCanceller.ts
@@ -5,24 +5,24 @@ export const tryCancelPipeline = async (
 	mergeRequestInfo: MergeRequestInfo,
 	user: User,
 ): Promise<void> => {
-	if (mergeRequestInfo.pipeline === null) {
+	if (mergeRequestInfo.head_pipeline === null) {
 		return;
 	}
 
 	if (
-		mergeRequestInfo.pipeline.status !== PipelineStatus.Running &&
-		mergeRequestInfo.pipeline.status !== PipelineStatus.Pending
+		mergeRequestInfo.head_pipeline.status !== PipelineStatus.Running &&
+		mergeRequestInfo.head_pipeline.status !== PipelineStatus.Pending
 	) {
 		return;
 	}
 
 	const mergeRequestPipeline = await gitlabApi.getPipeline(
 		mergeRequestInfo.project_id,
-		mergeRequestInfo.pipeline.id,
+		mergeRequestInfo.head_pipeline.id,
 	);
 	if (mergeRequestPipeline.user.id !== user.id) {
 		return;
 	}
 
-	await gitlabApi.cancelPipeline(mergeRequestInfo.project_id, mergeRequestInfo.pipeline.id);
+	await gitlabApi.cancelPipeline(mergeRequestInfo.project_id, mergeRequestInfo.head_pipeline.id);
 };