diff --git a/Misc/NEWS.d/next/Build/2023-03-15-02-03-39.gh-issue-102711.zTkjts.rst b/Misc/NEWS.d/next/Build/2023-03-15-02-03-39.gh-issue-102711.zTkjts.rst
new file mode 100644
index 00000000000000..51184396877721
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2023-03-15-02-03-39.gh-issue-102711.zTkjts.rst
@@ -0,0 +1 @@
+Fix ``-Wstrict-prototypes`` compiler warnings.
diff --git a/Parser/pegen.c b/Parser/pegen.c
index 556e50a104a9c6..87b47bacec553f 100644
--- a/Parser/pegen.c
+++ b/Parser/pegen.c
@@ -262,7 +262,7 @@ _PyPegen_fill_token(Parser *p)
 static long memo_statistics[NSTATISTICS];
 
 void
-_PyPegen_clear_memo_statistics()
+_PyPegen_clear_memo_statistics(void)
 {
     for (int i = 0; i < NSTATISTICS; i++) {
         memo_statistics[i] = 0;
@@ -270,7 +270,7 @@ _PyPegen_clear_memo_statistics()
 }
 
 PyObject *
-_PyPegen_get_memo_statistics()
+_PyPegen_get_memo_statistics(void)
 {
     PyObject *ret = PyList_New(NSTATISTICS);
     if (ret == NULL) {