diff --git a/x-pack/test/api_integration/apis/ml/data_frame_analytics/get.ts b/x-pack/test/api_integration/apis/ml/data_frame_analytics/get.ts
index 0ee99d9931f397..4dd844ec3cfcbd 100644
--- a/x-pack/test/api_integration/apis/ml/data_frame_analytics/get.ts
+++ b/x-pack/test/api_integration/apis/ml/data_frame_analytics/get.ts
@@ -47,7 +47,7 @@ export default ({ getService }: FtrProviderContext) => {
           includes: [],
           excludes: [],
         },
-        model_memory_limit: '350mb',
+        model_memory_limit: '60mb',
       },
       {
         id: `${jobId}_2`,
@@ -73,7 +73,7 @@ export default ({ getService }: FtrProviderContext) => {
           includes: [],
           excludes: [],
         },
-        model_memory_limit: '350mb',
+        model_memory_limit: '60mb',
       },
     ];
 
diff --git a/x-pack/test/functional/apps/machine_learning/data_frame_analytics/classification_creation.ts b/x-pack/test/functional/apps/machine_learning/data_frame_analytics/classification_creation.ts
index 4f56015227fdf1..d4521136d0c908 100644
--- a/x-pack/test/functional/apps/machine_learning/data_frame_analytics/classification_creation.ts
+++ b/x-pack/test/functional/apps/machine_learning/data_frame_analytics/classification_creation.ts
@@ -37,7 +37,7 @@ export default function ({ getService }: FtrProviderContext) {
         },
         dependentVariable: 'y',
         trainingPercent: '20',
-        modelMemory: '200mb',
+        modelMemory: '60mb',
         createIndexPattern: true,
         expected: {
           row: {
diff --git a/x-pack/test/functional/apps/machine_learning/data_frame_analytics/cloning.ts b/x-pack/test/functional/apps/machine_learning/data_frame_analytics/cloning.ts
index 7636b87033bf8e..bd70af9ae3d73b 100644
--- a/x-pack/test/functional/apps/machine_learning/data_frame_analytics/cloning.ts
+++ b/x-pack/test/functional/apps/machine_learning/data_frame_analytics/cloning.ts
@@ -53,7 +53,7 @@ export default function ({ getService }: FtrProviderContext) {
               includes: [],
               excludes: [],
             },
-            model_memory_limit: '350mb',
+            model_memory_limit: '60mb',
             allow_lazy_start: false,
           },
         },
@@ -83,7 +83,7 @@ export default function ({ getService }: FtrProviderContext) {
               includes: [],
               excludes: [],
             },
-            model_memory_limit: '55mb',
+            model_memory_limit: '5mb',
           },
         },
         {
@@ -115,7 +115,7 @@ export default function ({ getService }: FtrProviderContext) {
               includes: [],
               excludes: [],
             },
-            model_memory_limit: '105mb',
+            model_memory_limit: '20mb',
           },
         },
       ];
diff --git a/x-pack/test/functional/apps/machine_learning/data_frame_analytics/outlier_detection_creation.ts b/x-pack/test/functional/apps/machine_learning/data_frame_analytics/outlier_detection_creation.ts
index 7d10d6724d9e2c..887a86360ec78c 100644
--- a/x-pack/test/functional/apps/machine_learning/data_frame_analytics/outlier_detection_creation.ts
+++ b/x-pack/test/functional/apps/machine_learning/data_frame_analytics/outlier_detection_creation.ts
@@ -34,7 +34,7 @@ export default function ({ getService }: FtrProviderContext) {
         get destinationIndex(): string {
           return `user-${this.jobId}`;
         },
-        modelMemory: '55mb',
+        modelMemory: '5mb',
         createIndexPattern: true,
         expected: {
           row: {
diff --git a/x-pack/test/functional/apps/machine_learning/data_frame_analytics/regression_creation.ts b/x-pack/test/functional/apps/machine_learning/data_frame_analytics/regression_creation.ts
index 8322a4a1dd1392..d2368484cca427 100644
--- a/x-pack/test/functional/apps/machine_learning/data_frame_analytics/regression_creation.ts
+++ b/x-pack/test/functional/apps/machine_learning/data_frame_analytics/regression_creation.ts
@@ -36,7 +36,7 @@ export default function ({ getService }: FtrProviderContext) {
         },
         dependentVariable: 'stab',
         trainingPercent: '20',
-        modelMemory: '105mb',
+        modelMemory: '20mb',
         createIndexPattern: true,
         expected: {
           row: {