diff --git a/Common/GPU/thin3d.cpp b/Common/GPU/thin3d.cpp
index 49afb2b971..5a8bc6f22a 100644
--- a/Common/GPU/thin3d.cpp
+++ b/Common/GPU/thin3d.cpp
@@ -264,7 +264,11 @@ static ShaderModule *GenerateFShader(DrawContext *draw, FragmentShaderPreset pre
 	const bool rbSwizzle = preset == FS_TEXTURE_COLOR_2D_RB_SWIZZLE;
 
 	fsWriter.DeclareSamplers(g_samplers);
-	fsWriter.BeginFSMain(g_uniforms, texturing ? Slice(g_varyingsTex) : Slice(g_varyings));
+
+	// NOTE (first argument): We do not declare the uniforms here, as they aren't used in any of the preset shaders.
+	// Declaring them currently causes a precision clash with some GLSL compilers, see issue #21904.
+	// So if we need them in the future, that needs to be dealt with.
+	fsWriter.BeginFSMain(Slice<UniformDef>::empty(), texturing ? Slice(g_varyingsTex) : Slice(g_varyings));
 	if (texturing) {
 		fsWriter.C("vec4 col = ");
 		fsWriter.SampleTexture2D("tex", "oTexCoord0");