diff --git a/modules/glslang/config.py b/modules/glslang/config.py
index d22f9454ed2..1169776a739 100644
--- a/modules/glslang/config.py
+++ b/modules/glslang/config.py
@@ -1,5 +1,7 @@
 def can_build(env, platform):
-    return True
+    # glslang is only needed when Vulkan or Direct3D 12-based renderers are available,
+    # as OpenGL doesn't use glslang.
+    return env["vulkan"] or env["d3d12"]
 
 
 def configure(env):