diff --git a/tests/performance/hashed_dictionary.xml b/tests/performance/hashed_dictionary.xml
index e9038e694c6..b9de02a70e0 100644
--- a/tests/performance/hashed_dictionary.xml
+++ b/tests/performance/hashed_dictionary.xml
@@ -82,7 +82,6 @@
             <name>elements_count</name>
             <values>
                 <value>5000000</value>
-                <value>7500000</value>
             </values>
         </substitution>
     </substitutions>
@@ -90,16 +89,14 @@
     <query>
         WITH rand64() % toUInt64({elements_count}) as key
         SELECT dictGet('default.simple_key_hashed_dictionary', {column_name}, key)
-        FROM system.numbers
-        LIMIT {elements_count}
+        FROM numbers_mt({elements_count})
         FORMAT Null;
     </query>
 
     <query>
         WITH rand64() % toUInt64({elements_count}) as key
         SELECT dictHas('default.simple_key_hashed_dictionary', key)
-        FROM system.numbers
-        LIMIT {elements_count}
+        FROM numbers_mt({elements_count})
         FORMAT Null;
     </query>
 
@@ -111,16 +108,14 @@
     <query>
         WITH (rand64() % toUInt64({elements_count}), toString(rand64() % toUInt64({elements_count}))) as key
         SELECT dictGet('default.complex_key_hashed_dictionary', {column_name}, key)
-        FROM system.numbers
-        LIMIT {elements_count}
+        FROM numbers_mt({elements_count})
         FORMAT Null;
     </query>
 
     <query>
         WITH (rand64() % toUInt64({elements_count}), toString(rand64() % toUInt64({elements_count}))) as key
         SELECT dictHas('default.complex_key_hashed_dictionary', key)
-        FROM system.numbers
-        LIMIT {elements_count}
+        FROM numbers_mt({elements_count})
         FORMAT Null;
     </query>