diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c
index c34ea0e1edb..fbefd08e894 100644
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -347,7 +347,7 @@ static intptr_t readlink(const char *path, char *buf, size_t bufsiz)
 {
    return -1;
 }
-extern char *
+static char *
 drmGetFormatModifierName(uint64_t modifier)
 {
    return NULL;