diff --git a/jacodb-taint-configuration/src/main/kotlin/org/jacodb/configuration/TaintConfigurationItem.kt b/jacodb-taint-configuration/src/main/kotlin/org/jacodb/configuration/TaintConfigurationItem.kt
index 474594a16..fedfe2fd4 100644
--- a/jacodb-taint-configuration/src/main/kotlin/org/jacodb/configuration/TaintConfigurationItem.kt
+++ b/jacodb-taint-configuration/src/main/kotlin/org/jacodb/configuration/TaintConfigurationItem.kt
@@ -33,22 +33,11 @@ data class TaintMethodSource(
     val actionsAfter: List<Action>,
 ) : TaintConfigurationItem
 
-data class TaintFieldSource(
-    val fieldInfo: JcField,
-    val condition: Condition,
-    val actionsAfter: List<Action>,
-) : TaintConfigurationItem
-
 data class TaintMethodSink(
     val condition: Condition,
     val methodInfo: JcMethod,
 ) : TaintConfigurationItem
 
-data class TaintFieldSink(
-    val condition: Condition,
-    val fieldInfo: JcField,
-) : TaintConfigurationItem
-
 data class TaintPassThrough(
     val methodInfo: JcMethod,
     val condition: Condition,
diff --git a/jacodb-taint-configuration/src/test/kotlin/org/jacodb/configuration/ConfigurationTest.kt b/jacodb-taint-configuration/src/test/kotlin/org/jacodb/configuration/ConfigurationTest.kt
index 9d4590a94..9d3cb3b42 100644
--- a/jacodb-taint-configuration/src/test/kotlin/org/jacodb/configuration/ConfigurationTest.kt
+++ b/jacodb-taint-configuration/src/test/kotlin/org/jacodb/configuration/ConfigurationTest.kt
@@ -18,6 +18,7 @@ package org.jacodb.configuration
 
 import kotlinx.coroutines.runBlocking
 import org.jacodb.api.JcClasspath
+import org.jacodb.api.ext.constructors
 import org.jacodb.api.ext.findClass
 import org.jacodb.api.ext.methods
 import org.jacodb.api.ext.objectType
@@ -98,4 +99,14 @@ class ConfigurationTest : BaseTest() {
 
         assertTrue(rules.singleOrNull() != null)
     }
+
+    @Test
+    fun testParametersMatches() {
+        val method = cp.findClass<java.util.Scanner>().constructors.first {
+            it.parameters.singleOrNull()?.type?.typeName == java.lang.String::class.qualifiedName
+        }
+        val rules = taintFeature.getConfigForMethod(method)
+
+        assertTrue(rules.singleOrNull() != null)
+    }
 }
diff --git a/jacodb-taint-configuration/src/test/resources/testJsonConfig.json b/jacodb-taint-configuration/src/test/resources/testJsonConfig.json
index 55a995049..02462a9dd 100644
--- a/jacodb-taint-configuration/src/test/resources/testJsonConfig.json
+++ b/jacodb-taint-configuration/src/test/resources/testJsonConfig.json
@@ -347,5 +347,63 @@
         }
       }
     ]
+  },
+  {
+    "_": "PassThrough",
+    "methodInfo": {
+      "cls": {
+        "packageMatcher": {
+          "_": "NameIsEqualTo",
+          "name": "java.util"
+        },
+        "classNameMatcher": {
+          "_": "NameIsEqualTo",
+          "name": "Scanner"
+        }
+      },
+      "functionName": {
+        "_": "NameIsEqualTo",
+        "name": "init^"
+      },
+      "parametersMatchers": [
+        {
+          "index": 0,
+          "typeMatcher": {
+            "_": "ClassMatcher",
+            "packageMatcher": {
+              "_": "NameIsEqualTo",
+              "name": "java.lang"
+            },
+            "classNameMatcher": {
+              "_": "NameIsEqualTo",
+              "name": "String"
+            }
+          }
+        }
+      ],
+      "returnTypeMatcher": {
+        "_": "AnyTypeMatches"
+      },
+      "applyToOverrides": true,
+      "functionLabel": null,
+      "modifier": -1,
+      "exclude": [
+      ]
+    },
+    "condition": {
+      "_": "ConstantTrue"
+    },
+    "actionsAfter": [
+      {
+        "_": "CopyAllMarks",
+        "from": {
+          "_": "Argument",
+          "number": 0
+        },
+        "to": {
+          "_": "This"
+        }
+      }
+    ]
   }
 ]
\ No newline at end of file