diff --git a/.chloggen/sqlserver-memory-leak.yaml b/.chloggen/sqlserver-memory-leak.yaml
new file mode 100644
index 0000000000000..17bae56303064
--- /dev/null
+++ b/.chloggen/sqlserver-memory-leak.yaml
@@ -0,0 +1,7 @@
+change_type: bug_fix
+component: sqlserverreceiver
+note: Fix memory leak from top queries and query samples features
+issues: [42302]
+subtext: |
+  The issue was caused by the misuse of the obfuscate library.
+change_logs: [user]
\ No newline at end of file
diff --git a/receiver/sqlserverreceiver/obfuscate.go b/receiver/sqlserverreceiver/obfuscate.go
index f7648701d0a6a..e7e7c00b0353f 100644
--- a/receiver/sqlserverreceiver/obfuscate.go
+++ b/receiver/sqlserverreceiver/obfuscate.go
@@ -12,24 +12,25 @@ import (
 	"github.com/DataDog/datadog-agent/pkg/obfuscate"
 )
 
-var (
-	xmlPlanObfuscationAttrs = []string{
-		"StatementText",
-		"ConstValue",
-		"ScalarString",
-		"ParameterCompiledValue",
-	}
-	obfuscateSQLConfig = obfuscate.SQLConfig{DBMS: "mssql"}
-)
+var xmlPlanObfuscationAttrs = []string{
+	"StatementText",
+	"ConstValue",
+	"ScalarString",
+	"ParameterCompiledValue",
+}
 
 type obfuscator obfuscate.Obfuscator
 
 func newObfuscator() *obfuscator {
-	return (*obfuscator)(obfuscate.NewObfuscator(obfuscate.Config{}))
+	return (*obfuscator)(obfuscate.NewObfuscator(obfuscate.Config{
+		SQL: obfuscate.SQLConfig{
+			DBMS: "mssql",
+		},
+	}))
 }
 
 func (o *obfuscator) obfuscateSQLString(sql string) (string, error) {
-	obfuscatedQuery, err := (*obfuscate.Obfuscator)(o).ObfuscateSQLStringWithOptions(sql, &obfuscateSQLConfig, "")
+	obfuscatedQuery, err := (*obfuscate.Obfuscator)(o).ObfuscateSQLString(sql)
 	if err != nil {
 		return "", err
 	}