diff --git a/parser.c b/parser.c
index 328c6d1508..0e0ec9d6a6 100644
--- a/parser.c
+++ b/parser.c
@@ -1162,7 +1162,7 @@ static AstNodeIndex expectTopLevelDecl(Parser* p) {
     return 0; // make tcc happy
 }
 
-void findNextContainerMember(Parser* p) {
+static void findNextContainerMember(Parser* p) {
     uint32_t level = 0;
 
     while (true) {
diff --git a/zig0.c b/zig0.c
index 3e765e1f82..40e9480c27 100644
--- a/zig0.c
+++ b/zig0.c
@@ -6,7 +6,7 @@
 // - code = 0: program successfully terminated.
 // - code = 1: panicked, panic message in msg. Caller should free msg.
 // - code = 2: interpreter error, error in msg. Caller should free msg.
-int zig0Run(const char* program, char** msg) {
+static int zig0Run(const char* program, char** msg) {
     (void)program;
     (void)msg;
     return 0;