diff --git a/third_party/aws/aws-c-common.bazel b/third_party/aws/aws-c-common.bazel
index bc582157141..ff58c9125a2 100644
--- a/third_party/aws/aws-c-common.bazel
+++ b/third_party/aws/aws-c-common.bazel
@@ -43,15 +43,6 @@ cc_library(
     ],
     deps = [
     ],
-    copts = [
-        "-std=c99",
-        "-D_POSIX_C_SOURCE=199309L",
-        "-D_GNU_SOURCE",
-    ],
-    linkopts = [
-        "-lrt",
-        "-pthread",
-    ],
 )
 
 template_rule(
diff --git a/third_party/aws/aws-c-event-stream.bazel b/third_party/aws/aws-c-event-stream.bazel
index e2a04ba6fa2..b43e63f2a98 100644
--- a/third_party/aws/aws-c-event-stream.bazel
+++ b/third_party/aws/aws-c-event-stream.bazel
@@ -22,13 +22,4 @@ cc_library(
         "@aws-c-common",
         "@aws-checksums",
     ],
-    copts = [
-        "-std=c99",
-        "-D_POSIX_C_SOURCE=199309L",
-        "-D_GNU_SOURCE",
-    ],
-    linkopts = [
-        "-lrt",
-        "-pthread",
-    ],
 )