diff --git a/gfx/common/d3d10_common.h b/gfx/common/d3d10_common.h
index e2924bd5b6..818a019684 100644
--- a/gfx/common/d3d10_common.h
+++ b/gfx/common/d3d10_common.h
@@ -1117,9 +1117,6 @@ typedef struct ALIGN(16)
    float time;
 } d3d10_uniform_t;
 
-static_assert(
-      (!(sizeof(d3d10_uniform_t) & 0xF)), "sizeof(d3d10_uniform_t) must be a multiple of 16");
-
 typedef struct d3d10_shader_t
 {
    D3D10VertexShader   vs;
diff --git a/gfx/common/d3d11_common.h b/gfx/common/d3d11_common.h
index dc3394908f..0208b0c085 100644
--- a/gfx/common/d3d11_common.h
+++ b/gfx/common/d3d11_common.h
@@ -2484,9 +2484,6 @@ typedef struct ALIGN(16)
    float time;
 } d3d11_uniform_t;
 
-static_assert(
-      (!(sizeof(d3d11_uniform_t) & 0xF)), "sizeof(d3d11_uniform_t) must be a multiple of 16");
-
 typedef struct d3d11_shader_t
 {
    D3D11VertexShader   vs;
diff --git a/gfx/common/d3d12_common.h b/gfx/common/d3d12_common.h
index 01ccc2020b..c97ba73f35 100644
--- a/gfx/common/d3d12_common.h
+++ b/gfx/common/d3d12_common.h
@@ -1340,9 +1340,6 @@ typedef struct ALIGN(16)
    float time;
 } d3d12_uniform_t;
 
-static_assert(
-      (!(sizeof(d3d12_uniform_t) & 0xF)), "sizeof(d3d12_uniform_t) must be a multiple of 16");
-
 typedef struct
 {
    unsigned    cur_mon_id;