diff --git a/include/mgba/internal/ds/gx/software.h b/include/mgba/internal/ds/gx/software.h
index baa84b981..3931fa1c9 100644
--- a/include/mgba/internal/ds/gx/software.h
+++ b/include/mgba/internal/ds/gx/software.h
@@ -84,6 +84,8 @@ struct DSGXSoftwareRenderer {
 	struct DSGXVertex* verts;
 };
 
+void DSGXSoftwareRendererCreate(struct DSGXSoftwareRenderer* renderer);
+
 CXX_GUARD_END
 
 #endif
diff --git a/src/ds/slot1.c b/src/ds/slot1.c
index 260ec3e52..ac10947b0 100644
--- a/src/ds/slot1.c
+++ b/src/ds/slot1.c
@@ -378,5 +378,6 @@ static bool _slot1GuaranteeSize(struct DSSlot1* slot1) {
 }
 
 void DSSlot1ScheduleDMA(struct DSCommon* dscore, int number, struct GBADMA* info) {
+	UNUSED(info);
 	dscore->p->memory.slot1.dmaSource = number;
 }