diff --git a/pystencils/cpu/cpujit.py b/pystencils/cpu/cpujit.py
index e504aa2a4da498d4ae55cd8812c8a59fec156bf2..ccaeb0cee600a807cb3d73704e67aff14ff1dcf4 100644
--- a/pystencils/cpu/cpujit.py
+++ b/pystencils/cpu/cpujit.py
@@ -547,12 +547,10 @@ def compile_module(code, code_hash, base_dir):
     extra_flags = ['-I' + get_paths()['include'], '-I' + get_pystencils_include_path()]
 
     if compiler_config['os'].lower() == 'windows':
-        function_prefix = '__declspec(dllexport)'
         lib_suffix = '.pyd'
         object_suffix = '.obj'
         windows = True
     else:
-        function_prefix = ''
         lib_suffix = '.so'
         object_suffix = '.o'
         windows = False