diff --git a/progs/gallium/unit/u_format_test.c b/progs/gallium/unit/u_format_test.c
index 78b90a47553..1c8973a74df 100644
--- a/progs/gallium/unit/u_format_test.c
+++ b/progs/gallium/unit/u_format_test.c
@@ -194,17 +194,9 @@ test_cases[] =
     */
 
    /*
-    * Signed (bump map) formats
+    * Mixed-signed formats
     */
 
-   {PIPE_FORMAT_R8G8B8X8_SNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000000), { 0.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8X8_SNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x0000007f), { 1.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8X8_SNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000081), {-1.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8X8_SNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00007f00), { 0.0,  1.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8X8_SNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00008100), { 0.0, -1.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8X8_SNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x007f0000), { 0.0,  0.0,  1.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8X8_SNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00810000), { 0.0,  0.0, -1.0,  1.0}},
-
    {PIPE_FORMAT_R8SG8SB8UX8U_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000000), { 0.0,  0.0, 0.0, 1.0}},
    {PIPE_FORMAT_R8SG8SB8UX8U_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x0000007f), { 1.0,  0.0, 0.0, 1.0}},
    {PIPE_FORMAT_R8SG8SB8UX8U_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000081), {-1.0,  0.0, 0.0, 1.0}},