diff --git a/include/pocketpy/objects/sourcedata.h b/include/pocketpy/objects/sourcedata.h
index 67c35f8c..7f8d7cc0 100644
--- a/include/pocketpy/objects/sourcedata.h
+++ b/include/pocketpy/objects/sourcedata.h
@@ -8,10 +8,10 @@ extern "C" {
 #include "pocketpy/common/str.h"
 #include "pocketpy/common/vector.h"
 
-enum pkpy_CompileMode { PK_EXEC_MODE, PK_EVAL_MODE, PK_REPL_MODE, PK_JSON_MODE, PK_CELL_MODE };
+enum CompileMode { EXEC_MODE, EVAL_MODE, REPL_MODE, JSON_MODE, CELL_MODE };
 
 struct pkpy_SourceData {
-    enum pkpy_CompileMode mode;
+    enum CompileMode mode;
     bool is_precompiled;
 
     pkpy_Str filename;
@@ -21,7 +21,7 @@ struct pkpy_SourceData {
     c11_vector _precompiled_tokens;  // contains "pkpy_Str"
 };
 
-void pkpy_SourceData__ctor(struct pkpy_SourceData *self, const char *source, int source_size, const pkpy_Str *filename, enum pkpy_CompileMode mode);
+void pkpy_SourceData__ctor(struct pkpy_SourceData *self, const char *source, int source_size, const pkpy_Str *filename, enum CompileMode mode);
 void pkpy_SourceData__dtor(struct pkpy_SourceData* self);
 
 bool pkpy_SourceData__get_line(const struct pkpy_SourceData *self, int lineno, const char **st, const char **ed);
diff --git a/include/pocketpy/objects/sourcedata.hpp b/include/pocketpy/objects/sourcedata.hpp
index 1ccf8141..2295e294 100644
--- a/include/pocketpy/objects/sourcedata.hpp
+++ b/include/pocketpy/objects/sourcedata.hpp
@@ -6,16 +6,6 @@
 
 namespace pkpy {
 
-using CompileMode = pkpy_CompileMode;
-
-enum {
-    EXEC_MODE = PK_EXEC_MODE,
-    EVAL_MODE = PK_EVAL_MODE,
-    REPL_MODE = PK_REPL_MODE,
-    JSON_MODE = PK_JSON_MODE,
-    CELL_MODE = PK_CELL_MODE,
-};
-
 struct SourceData : public pkpy_SourceData {
     SourceData(std::string_view source, const Str& filename, CompileMode mode) {
         pkpy_SourceData__ctor(this, source.data(), source.size(), &filename, mode);
diff --git a/src/common/sourcedata.c b/src/common/sourcedata.c
index bb204e66..40929655 100644
--- a/src/common/sourcedata.c
+++ b/src/common/sourcedata.c
@@ -10,7 +10,7 @@ void pkpy_SourceData__ctor(struct pkpy_SourceData* self,
                            const char* source,
                            int source_size,
                            const pkpy_Str* filename,
-                           enum pkpy_CompileMode mode) {
+                           enum CompileMode mode) {
     self->filename = pkpy_Str__copy(filename);  // OPTIMIZEME?
     self->mode = mode;