diff --git a/partiql-lang/src/main/kotlin/org/partiql/lang/ast/StaticTypeMeta.kt b/partiql-lang/src/main/kotlin/org/partiql/lang/ast/StaticTypeMeta.kt
deleted file mode 100644
index 94f649a179..0000000000
--- a/partiql-lang/src/main/kotlin/org/partiql/lang/ast/StaticTypeMeta.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package org.partiql.lang.ast
-
-import org.partiql.types.StaticType
-
-/**
- * Represents a static type for an AST element.
- *
- * Note: The (de)serialization based on ISL mappers does not work as expected but does not break anything since no one uses it today.
- * TODO: issue to track fixing the (de)serialization https://github.com/partiql/partiql-lang-kotlin/issues/512
- */
-data class StaticTypeMeta(val type: StaticType) : Meta {
-
-    override fun toString() = type.toString()
-
-    override val tag = TAG
-
-    companion object {
-        const val TAG = "\$static_type"
-    }
-}
diff --git a/partiql-lang/src/main/kotlin/org/partiql/lang/eval/Thunk.kt b/partiql-lang/src/main/kotlin/org/partiql/lang/eval/Thunk.kt
index 3b489a7d5d..5187f30204 100644
--- a/partiql-lang/src/main/kotlin/org/partiql/lang/eval/Thunk.kt
+++ b/partiql-lang/src/main/kotlin/org/partiql/lang/eval/Thunk.kt
@@ -19,7 +19,6 @@ import org.partiql.errors.ErrorBehaviorInPermissiveMode
 import org.partiql.errors.ErrorCode
 import org.partiql.errors.Property
 import org.partiql.lang.ast.SourceLocationMeta
-import org.partiql.lang.ast.StaticTypeMeta
 import org.partiql.lang.domains.staticType
 import org.partiql.lang.types.StaticTypeUtils.isInstance
 
diff --git a/partiql-lang/src/main/kotlin/org/partiql/lang/eval/ThunkAsync.kt b/partiql-lang/src/main/kotlin/org/partiql/lang/eval/ThunkAsync.kt
index c314eb68aa..e40014f719 100644
--- a/partiql-lang/src/main/kotlin/org/partiql/lang/eval/ThunkAsync.kt
+++ b/partiql-lang/src/main/kotlin/org/partiql/lang/eval/ThunkAsync.kt
@@ -21,7 +21,6 @@ import org.partiql.errors.ErrorBehaviorInPermissiveMode
 import org.partiql.errors.ErrorCode
 import org.partiql.errors.Property
 import org.partiql.lang.ast.SourceLocationMeta
-import org.partiql.lang.ast.StaticTypeMeta
 import org.partiql.lang.domains.staticType
 import org.partiql.lang.types.StaticTypeUtils.isInstance