diff --git a/tests/unit/maxmemory.tcl b/tests/unit/maxmemory.tcl
index b333be5037..b1042f357f 100644
--- a/tests/unit/maxmemory.tcl
+++ b/tests/unit/maxmemory.tcl
@@ -213,6 +213,7 @@ start_server {tags {"maxmemory external:skip"}} {
                 r setex [randomKey] 10000 x
             }
             assert {[s used_memory] < ($limit+4096)}
+            r config set maxmemory 0
         }
     }
 
@@ -255,6 +256,7 @@ start_server {tags {"maxmemory external:skip"}} {
             } else {
                 assert {$err == 1}
             }
+            r config set maxmemory 0
         }
     }
 
@@ -300,6 +302,7 @@ start_server {tags {"maxmemory external:skip"}} {
             for {set j 0} {$j < $numkeys} {incr j 2} {
                 assert {[r exists "key:$j"]}
             }
+            r config set maxmemory 0
         }
     }
 }