diff --git a/src/openrct2/paint/Supports.cpp b/src/openrct2/paint/Supports.cpp
index dda5aa9ea49e..2eb91539b482 100644
--- a/src/openrct2/paint/Supports.cpp
+++ b/src/openrct2/paint/Supports.cpp
@@ -730,7 +730,7 @@ bool WoodenASupportsPaintSetupRotated(
  *
  * @return (al) whether supports have been drawn
  */
-bool WoodenBSupportsPaintSetup(
+static bool WoodenBSupportsPaintSetup(
     PaintSession& session, int32_t supportType, int32_t special, int32_t height, ImageId imageTemplate)
 {
     if (!(session.Flags & PaintSessionFlags::PassedSurface))
diff --git a/src/openrct2/paint/Supports.h b/src/openrct2/paint/Supports.h
index f5e78570e194..ac9365c47b76 100644
--- a/src/openrct2/paint/Supports.h
+++ b/src/openrct2/paint/Supports.h
@@ -128,8 +128,6 @@ bool WoodenASupportsPaintSetup(
 bool WoodenASupportsPaintSetupRotated(
     PaintSession& session, WoodenSupportType supportType, WoodenSupportSubType subType, Direction direction, int32_t height,
     ImageId imageTemplate, WoodenSupportTransitionType transitionType = WoodenSupportTransitionType::None);
-bool WoodenBSupportsPaintSetup(
-    PaintSession& session, int32_t supportType, int32_t special, int32_t height, ImageId imageTemplate);
 bool WoodenBSupportsPaintSetup(
     PaintSession& session, WoodenSupportType supportType, WoodenSupportSubType subType, int32_t height, ImageId imageTemplate,
     WoodenSupportTransitionType transitionType = WoodenSupportTransitionType::None, Direction direction = 0);