diff --git a/src/api.v2/helpers/pipeline/gem2s.js b/src/api.v2/helpers/pipeline/gem2s.js
index 0a32f0f31..1bb039340 100644
--- a/src/api.v2/helpers/pipeline/gem2s.js
+++ b/src/api.v2/helpers/pipeline/gem2s.js
@@ -100,7 +100,6 @@ const generateGem2sParams = async (experimentId, authJWT) => {
     sampleIds: experiment.samplesOrder,
     sampleNames: _.map(samplesInOrder, 'name'),
     sampleS3Paths: s3Paths,
-    apiVersion: 'v2',
     authJWT,
   };
 
diff --git a/src/api.v2/helpers/pipeline/pipelineConstruct/constructors/createNewStep.js b/src/api.v2/helpers/pipeline/pipelineConstruct/constructors/createNewStep.js
index 4ed744d4c..6a1185357 100644
--- a/src/api.v2/helpers/pipeline/pipelineConstruct/constructors/createNewStep.js
+++ b/src/api.v2/helpers/pipeline/pipelineConstruct/constructors/createNewStep.js
@@ -30,7 +30,6 @@ const getQCParams = (task, context, stepArgs) => {
     ...perSample ? { 'sampleUuid.$': '$.sampleUuid' } : { sampleUuid: '' },
     ...uploadCountMatrix ? { uploadCountMatrix: true } : { uploadCountMatrix: false },
     authJWT: context.authJWT,
-    apiVersion: 'v2',
   };
 };
 
diff --git a/tests/api.v2/controllers/qcController.test.js b/tests/api.v2/controllers/qcController.test.js
index 05c0614d7..a7e9663a9 100644
--- a/tests/api.v2/controllers/qcController.test.js
+++ b/tests/api.v2/controllers/qcController.test.js
@@ -24,7 +24,6 @@ const processingConfigUpdate = [{
     'f87892f0-3403-4ba9-b871-c366e3fa855e': {
       auto: false,
       enabled: true,
-      apiVersion: 'v2',
       filterSettings: { regressionType: 'linear', regressionTypeSettings: { linear: { 'p.level': 0.00095 }, spline: { 'p.level': 0.001 } } },
       defaultFilterSettings: { regressionType: 'linear', regressionTypeSettings: { linear: { 'p.level': 0.001 }, spline: { 'p.level': 0.001 } } },
     },
@@ -39,7 +38,6 @@ const qcResponsePayload = {
     taskName: 'configureEmbedding',
     processName: 'qc',
     config: {
-      apiVersion: 'v2',
       embeddingSettings:
       {
         method: 'umap',
@@ -53,7 +51,6 @@ const qcResponsePayload = {
     sampleUuid: '',
     uploadCountMatrix: false,
     authJWT: 'Bearer someLongAndConfusingString',
-    apiVersion: 'v2',
   },
   output: { bucket: 'worker-results-development', key: 'de2f3434-dc63-4007-907b-28d3e72b140d' },
   response: { error: false },
diff --git a/tests/api.v2/helpers/pipeline/__snapshots__/gem2s.test.js.snap b/tests/api.v2/helpers/pipeline/__snapshots__/gem2s.test.js.snap
index c16f96f35..66aef09e7 100644
--- a/tests/api.v2/helpers/pipeline/__snapshots__/gem2s.test.js.snap
+++ b/tests/api.v2/helpers/pipeline/__snapshots__/gem2s.test.js.snap
@@ -18,7 +18,6 @@ exports[`createGem2sPipeline works correctly 2`] = `
 Array [
   "mockExperimentId",
   Object {
-    "apiVersion": "v2",
     "authJWT": "mockAuthJWT",
     "experimentName": "asdsadsada",
     "input": Object {
diff --git a/tests/api.v2/helpers/pipeline/__snapshots__/pipelineConstruct.test.js.snap b/tests/api.v2/helpers/pipeline/__snapshots__/pipelineConstruct.test.js.snap
index 2bba65669..110e436b2 100644
--- a/tests/api.v2/helpers/pipeline/__snapshots__/pipelineConstruct.test.js.snap
+++ b/tests/api.v2/helpers/pipeline/__snapshots__/pipelineConstruct.test.js.snap
@@ -233,7 +233,6 @@ Array [
                 "End": true,
                 "HeartbeatSeconds": 90,
                 "Parameters": Object {
-                  "apiVersion": "v2",
                   "config": Object {},
                   "experimentId": "testExperimentId",
                   "processName": "qc",
@@ -262,7 +261,6 @@ Array [
                 "End": true,
                 "HeartbeatSeconds": 90,
                 "Parameters": Object {
-                  "apiVersion": "v2",
                   "config": Object {},
                   "experimentId": "testExperimentId",
                   "processName": "qc",
@@ -286,7 +284,6 @@ Array [
           "HeartbeatSeconds": 90,
           "Next": "EndOfPipeline",
           "Parameters": Object {
-            "apiVersion": "v2",
             "config": Object {},
             "experimentId": "testExperimentId",
             "processName": "qc",
@@ -304,7 +301,6 @@ Array [
           "HeartbeatSeconds": 90,
           "Next": "ConfigureEmbedding",
           "Parameters": Object {
-            "apiVersion": "v2",
             "config": Object {},
             "experimentId": "testExperimentId",
             "processName": "qc",
@@ -327,7 +323,6 @@ Array [
                 "End": true,
                 "HeartbeatSeconds": 90,
                 "Parameters": Object {
-                  "apiVersion": "v2",
                   "config": Object {
                     "oneSample": Object {
                       "defaultFilterSettings": Object {
@@ -376,7 +371,6 @@ Array [
                 "End": true,
                 "HeartbeatSeconds": 90,
                 "Parameters": Object {
-                  "apiVersion": "v2",
                   "config": Object {},
                   "experimentId": "testExperimentId",
                   "processName": "qc",
@@ -405,7 +399,6 @@ Array [
                 "End": true,
                 "HeartbeatSeconds": 90,
                 "Parameters": Object {
-                  "apiVersion": "v2",
                   "config": Object {},
                   "experimentId": "testExperimentId",
                   "processName": "qc",
diff --git a/tests/api.v2/middlewares/authMiddlewares.test.js b/tests/api.v2/middlewares/authMiddlewares.test.js
index 43fd4e539..e612a71e9 100644
--- a/tests/api.v2/middlewares/authMiddlewares.test.js
+++ b/tests/api.v2/middlewares/authMiddlewares.test.js
@@ -91,7 +91,7 @@ describe('Tests for authorization/authentication middlewares', () => {
 
     const req = {
       params: { experimentId: fake.EXPERIMENT_ID },
-      url: fake.RESOURCE_V1,
+      url: fake.RESOURCE_V2,
       method: 'POST',
     };
     const next = jest.fn();
@@ -105,7 +105,7 @@ describe('Tests for authorization/authentication middlewares', () => {
 
     const req = {
       params: { experimentId: fake.EXPERIMENT_ID },
-      url: fake.RESOURCE_V1,
+      url: fake.RESOURCE_V2,
       user: {
         sub: 'allowed-user-id',
       },
@@ -147,7 +147,7 @@ describe('Tests for authorization/authentication middlewares', () => {
   it('Express middleware can reject unauthenticated requests', async () => {
     const req = {
       params: { experimentId: fake.EXPERIMENT_ID },
-      url: fake.RESOURCE_V1,
+      url: fake.RESOURCE_V2,
       method: 'POST',
     };
     const next = jest.fn();
diff --git a/tests/api.v2/mocks/data/gem2sUploadToAWSPayload.json b/tests/api.v2/mocks/data/gem2sUploadToAWSPayload.json
index c31ea26a7..a9b701da9 100644
--- a/tests/api.v2/mocks/data/gem2sUploadToAWSPayload.json
+++ b/tests/api.v2/mocks/data/gem2sUploadToAWSPayload.json
@@ -222,7 +222,6 @@
         "features10x": "2451aae8-2aa2-4611-a280-247c767968f2"
       }
     },
-    "apiVersion": "v2",
     "authJWT": "Bearer someHugeHash"
   }
 }
\ No newline at end of file
diff --git a/tests/test-utils/constants.js b/tests/test-utils/constants.js
index 0eecd3cd4..2ff2bdb38 100644
--- a/tests/test-utils/constants.js
+++ b/tests/test-utils/constants.js
@@ -60,9 +60,7 @@ const USER = {
 // Try to use realistic values but DO NOT USE real ones.
 module.exports = Object.freeze({
   SOCKET_ENDPOINT: 'localhost:5000',
-  URL_V1: 'localhost:5000/v1/experiments',
   URL_V2: 'localhost:5000/v2/experiments',
-  RESOURCE_V1: '/v1/experiments',
   RESOURCE_V2: '/v2/experiments',
   EXPERIMENT_ID: 'experimentid11111111111111111111',
   S3_BUCKET: 'worker-results-test',