diff --git a/src/MacVim/MMBackend.m b/src/MacVim/MMBackend.m
index 1a50fa4ceb..33be3e2f5b 100644
--- a/src/MacVim/MMBackend.m
+++ b/src/MacVim/MMBackend.m
@@ -431,7 +431,7 @@ extern GuiFont gui_mch_retain_font(GuiFont font);
         return YES;
     }
     @catch (NSException *ex) {
-        ASLogNotice(@"Connect backend failed: reason=%@", ex);
+        ASLogDebug(@"Connect backend failed: reason=%@", ex);
     }
 
     return NO;
@@ -595,9 +595,9 @@ extern GuiFont gui_mch_retain_font(GuiFont font);
             [appProxy processInput:outputQueue forIdentifier:identifier];
         }
         @catch (NSException *ex) {
-            ASLogNotice(@"processInput:forIdentifer failed: reason=%@", ex);
+            ASLogDebug(@"processInput:forIdentifer failed: reason=%@", ex);
             if (![connection isValid]) {
-                ASLogNotice(@"Connection is invalid, exit now!");
+                ASLogDebug(@"Connection is invalid, exit now!");
                 ASLogDebug(@"waitForAck=%d got_int=%d", waitForAck, got_int);
                 mch_exit(-1);
             }
@@ -664,7 +664,7 @@ extern GuiFont gui_mch_retain_font(GuiFont font);
             [appProxy processInput:outputQueue forIdentifier:identifier];
         }
         @catch (NSException *ex) {
-            ASLogNotice(@"CloseWindowMsgID send failed: reason=%@", ex);
+            ASLogDebug(@"CloseWindowMsgID send failed: reason=%@", ex);
         }
 
         // NOTE: If Cmd-w was pressed to close the window the menu is briefly
@@ -789,7 +789,7 @@ extern GuiFont gui_mch_retain_font(GuiFont font);
         [dialogReturn release];  dialogReturn = nil;
     }
     @catch (NSException *ex) {
-        ASLogNotice(@"Exception: reason=%@", ex);
+        ASLogDebug(@"Exception: reason=%@", ex);
     }
 
     return (char *)s;
@@ -844,7 +844,7 @@ extern GuiFont gui_mch_retain_font(GuiFont font);
         [dialogReturn release]; dialogReturn = nil;
     }
     @catch (NSException *ex) {
-        ASLogNotice(@"Exception: reason=%@", ex);
+        ASLogDebug(@"Exception: reason=%@", ex);
     }
 
     return retval;
@@ -1417,7 +1417,7 @@ extern GuiFont gui_mch_retain_font(GuiFont font);
         }
     }
     @catch (NSException *ex) {
-        ASLogNotice(@"Exception: reason=%@", ex);
+        ASLogDebug(@"Exception: reason=%@", ex);
         return NO;
     }
 
@@ -1436,7 +1436,7 @@ extern GuiFont gui_mch_retain_font(GuiFont font);
             list = [proxy serverList];
         }
         @catch (NSException *ex) {
-            ASLogNotice(@"serverList failed: reason=%@", ex);
+            ASLogDebug(@"serverList failed: reason=%@", ex);
         }
     } else {
         // We get here if a --remote flag is used before MacVim has started.
@@ -1507,7 +1507,7 @@ extern GuiFont gui_mch_retain_font(GuiFont font);
             return YES;
         }
         @catch (NSException *ex) {
-            ASLogNotice(@"addReply:server: failed: reason=%@", ex);
+            ASLogDebug(@"addReply:server: failed: reason=%@", ex);
         }
     } else {
         ASLogNotice(@"server2client failed; no client with id %d", port);
diff --git a/src/MacVim/MMVimController.m b/src/MacVim/MMVimController.m
index 8c90550ef4..ff7c482166 100644
--- a/src/MacVim/MMVimController.m
+++ b/src/MacVim/MMVimController.m
@@ -348,7 +348,7 @@ static BOOL isUnsafeMessage(int msgid);
         [backendProxy processInput:msgid data:data];
     }
     @catch (NSException *ex) {
-        ASLogNotice(@"processInput:data: failed: pid=%d id=%d msg=%s reason=%@",
+        ASLogDebug(@"processInput:data: failed: pid=%d id=%d msg=%s reason=%@",
                 pid, identifier, MessageStrings[msgid], ex);
     }
 }
@@ -380,7 +380,7 @@ static BOOL isUnsafeMessage(int msgid);
     }
     @catch (NSException *ex) {
         sendOk = NO;
-        ASLogNotice(@"processInput:data: failed: pid=%d id=%d msg=%s reason=%@",
+        ASLogDebug(@"processInput:data: failed: pid=%d id=%d msg=%s reason=%@",
                 pid, identifier, MessageStrings[msgid], ex);
     }
     @finally {
@@ -412,7 +412,7 @@ static BOOL isUnsafeMessage(int msgid);
         ASLogDebug(@"eval(%@)=%@", expr, eval);
     }
     @catch (NSException *ex) {
-        ASLogNotice(@"evaluateExpression: failed: pid=%d id=%d reason=%@",
+        ASLogDebug(@"evaluateExpression: failed: pid=%d id=%d reason=%@",
                 pid, identifier, ex);
     }
 
@@ -429,7 +429,7 @@ static BOOL isUnsafeMessage(int msgid);
                                          errorString:errstr];
         ASLogDebug(@"eval(%@)=%@", expr, eval);
     } @catch (NSException *ex) {
-        ASLogNotice(@"evaluateExpressionCocoa: failed: pid=%d id=%d reason=%@",
+        ASLogDebug(@"evaluateExpressionCocoa: failed: pid=%d id=%d reason=%@",
                 pid, identifier, ex);
         *errstr = [ex reason];
     }
@@ -468,7 +468,7 @@ static BOOL isUnsafeMessage(int msgid);
         [windowController processInputQueueDidFinish];
     }
     @catch (NSException *ex) {
-        ASLogNotice(@"Exception: pid=%d id=%d reason=%@", pid, identifier, ex);
+        ASLogDebug(@"Exception: pid=%d id=%d reason=%@", pid, identifier, ex);
     }
 }
 
@@ -859,7 +859,7 @@ static BOOL isUnsafeMessage(int msgid);
                     noteNewRecentFilePath:path];
     }
     @catch (NSException *ex) {
-        ASLogNotice(@"Exception: pid=%d id=%d reason=%@", pid, identifier, ex);
+        ASLogDebug(@"Exception: pid=%d id=%d reason=%@", pid, identifier, ex);
     }
     @finally {
         [conn setRequestTimeout:oldTimeout];
@@ -892,7 +892,7 @@ static BOOL isUnsafeMessage(int msgid);
         [backendProxy setDialogReturn:ret];
     }
     @catch (NSException *ex) {
-        ASLogNotice(@"setDialogReturn: failed: pid=%d id=%d reason=%@",
+        ASLogDebug(@"setDialogReturn: failed: pid=%d id=%d reason=%@",
                 pid, identifier, ex);
     }
 }
diff --git a/src/MacVim/MMWindowController.m b/src/MacVim/MMWindowController.m
index e63e77c1a5..ad6e74df03 100644
--- a/src/MacVim/MMWindowController.m
+++ b/src/MacVim/MMWindowController.m
@@ -1004,7 +1004,7 @@
             reply = [backendProxy starRegisterToPasteboard:pb];
         }
         @catch (NSException *ex) {
-            ASLogNotice(@"starRegisterToPasteboard: failed: pid=%d reason=%@",
+            ASLogDebug(@"starRegisterToPasteboard: failed: pid=%d reason=%@",
                     [vimController pid], ex);
         }
     }