diff --git a/src/regexp.c b/src/regexp.c
index dd99607..4a47f1d 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -751,7 +751,7 @@
 /*
  * Table for equivalence class "c". (IBM-1047)
  */
-char *EQUIVAL_CLASS_C[16] = {
+static char *EQUIVAL_CLASS_C[16] = {
     "A\x62\x63\x64\x65\x66\x67",
     "C\x68",
     "E\x71\x72\x73\x74",
@@ -3436,7 +3436,7 @@
 static int	regrepeat(char_u *p, long maxcount);
 
 #ifdef DEBUG
-int		regnarrate = 0;
+static int		regnarrate = 0;
 #endif
 
 /*