diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index adc379c5..9407cdce 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -431,9 +431,6 @@ typedef struct {
 ALCboolean alc_ca_init(BackendFuncs *func_list);
 void alc_ca_deinit(void);
 void alc_ca_probe(enum DevProbe type);
-ALCboolean alc_opensl_init(BackendFuncs *func_list);
-void alc_opensl_deinit(void);
-void alc_opensl_probe(enum DevProbe type);
 ALCboolean alc_qsa_init(BackendFuncs *func_list);
 void alc_qsa_deinit(void);
 void alc_qsa_probe(enum DevProbe type);