diff --git a/src/shader.cpp b/src/shader.cpp
index 4ea0a0d..4d6deae 100644
--- a/src/shader.cpp
+++ b/src/shader.cpp
@@ -161,7 +161,6 @@ initTransforms(memory_arena* arena,
 	glGenBuffers(1, &xform_ubo->id);
 	xform_ubo->target = GL_UNIFORM_BUFFER;
 	xform_ubo->data_type = GL_FLOAT;
-	xform_ubo->data_size = sizeof(*xforms);
 	xform_ubo->name = arenaCopyCStr(arena, "matrices");
 
 	glBindBuffer(xform_ubo->target, xform_ubo->id);
@@ -313,8 +312,6 @@ parseUniform(memory_arena* arena, shader_program* s, u32 uniform_idx)
 			GL_UNIFORM_BLOCK_INDEX, &unif.block_idx);
 
 	unif.idx = uniform_idx;
-	unif.data_size = getGLTypeSize(unif.data_type);
-	assert(unif.data_size > 0);
 	unif.name = arenaCopyCStr(arena, unif_name);
 	unif.location = glGetUniformLocation(s->prog_id, unif.name);
 
diff --git a/src/shader.h b/src/shader.h
index 6bf882e..55686fe 100644
--- a/src/shader.h
+++ b/src/shader.h
@@ -13,7 +13,6 @@ struct gl_buffer
 	GLuint id;
 	GLenum target;
 	GLenum data_type;
-	GLuint data_size;
 	GLuint location; // NOTE: if used as backing for vertex attribute
 	GLuint binding_idx; // NOTE: if used as backing from unifor buffer object
 	char* name;