diff --git a/ares/m4/cares-compilers.m4 b/ares/m4/cares-compilers.m4
index b9d1c32bd8f509b06a126dc0193a970f00e438cd..dfb05a8dba3bd83d91eb4ca541232ce6f585a4c7 100644
--- a/ares/m4/cares-compilers.m4
+++ b/ares/m4/cares-compilers.m4
@@ -16,7 +16,7 @@
 #***************************************************************************
 
 # File version for 'aclocal' use. Keep it a single number.
-# serial 32
+# serial 33
 
 
 dnl CARES_CHECK_COMPILER
@@ -325,7 +325,7 @@ AC_DEFUN([CARES_CHECK_COMPILER_TINY_C], [
     AC_MSG_RESULT([yes])
     compiler_id="TINY_C"
     flags_dbg_all="-g -b"
-    flags_dbg_yes="-g -b"
+    flags_dbg_yes="-g"
     flags_dbg_off=""
     flags_opt_all=""
     flags_opt_yes=""
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4
index 9232f4ca4dce461dae045163b93712ff19247c46..1598ad6fd60b14725be34d26b4a07385a9ced0e8 100644
--- a/m4/curl-compilers.m4
+++ b/m4/curl-compilers.m4
@@ -22,7 +22,7 @@
 #***************************************************************************
 
 # File version for 'aclocal' use. Keep it a single number.
-# serial 31
+# serial 32
 
 
 dnl CURL_CHECK_COMPILER
@@ -331,7 +331,7 @@ AC_DEFUN([CURL_CHECK_COMPILER_TINY_C], [
     AC_MSG_RESULT([yes])
     compiler_id="TINY_C"
     flags_dbg_all="-g -b"
-    flags_dbg_yes="-g -b"
+    flags_dbg_yes="-g"
     flags_dbg_off=""
     flags_opt_all=""
     flags_opt_yes=""