diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index aba44dfc06e..e81079edb56 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -804,15 +804,12 @@ static uint32_t si_translate_colorformat(enum pipe_format format)
 		return V_028C70_COLOR_10_11_11;
 
 	/* 64-bit buffers. */
-	case PIPE_FORMAT_R16G16B16_USCALED:
-	case PIPE_FORMAT_R16G16B16_SSCALED:
 	case PIPE_FORMAT_R16G16B16A16_UINT:
 	case PIPE_FORMAT_R16G16B16A16_SINT:
 	case PIPE_FORMAT_R16G16B16A16_USCALED:
 	case PIPE_FORMAT_R16G16B16A16_SSCALED:
 	case PIPE_FORMAT_R16G16B16A16_UNORM:
 	case PIPE_FORMAT_R16G16B16A16_SNORM:
-	case PIPE_FORMAT_R16G16B16_FLOAT:
 	case PIPE_FORMAT_R16G16B16A16_FLOAT:
 		return V_028C70_COLOR_16_16_16_16;