diff --git a/deob-ast/src/main/java/dev/openrs2/deob/ast/AstDeobfuscator.kt b/deob-ast/src/main/java/dev/openrs2/deob/ast/AstDeobfuscator.kt
index 93f8476e..3a4b5739 100644
--- a/deob-ast/src/main/java/dev/openrs2/deob/ast/AstDeobfuscator.kt
+++ b/deob-ast/src/main/java/dev/openrs2/deob/ast/AstDeobfuscator.kt
@@ -70,7 +70,7 @@ class AstDeobfuscator(private val modules: List<Path>) {
             }
 
             for (unit in root.compilationUnits) {
-                val name = unit.primaryType.orElseThrow().fullyQualifiedName.orElseThrow()
+                val name = unit.primaryType.get().fullyQualifiedName.get()
                 units[name] = unit
             }
         }
@@ -80,7 +80,7 @@ class AstDeobfuscator(private val modules: List<Path>) {
         }
 
         for (root in roots) {
-            root.printer = Function<CompilationUnit, String>(printer::print)
+            root.printer = Function(printer::print)
             root.saveAll()
         }
     }
diff --git a/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/GlConstantTransformer.kt b/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/GlConstantTransformer.kt
index 847e5827..2f3e55d5 100644
--- a/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/GlConstantTransformer.kt
+++ b/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/GlConstantTransformer.kt
@@ -58,7 +58,7 @@ class GlConstantTransformer : Transformer() {
 
     override fun postTransform(units: Map<String, CompilationUnit>) {
         val glUnit = units[GL_CLASS] ?: return
-        val glInterface = glUnit.primaryType.orElseThrow()
+        val glInterface = glUnit.primaryType.get()
 
         // remove existing declarations first to maintain sort order
         for (enum in enums) {