diff --git a/adb/client/commandline.cpp b/adb/client/commandline.cpp
index 39983ab4..06fcf16 100644
--- a/adb/client/commandline.cpp
+++ b/adb/client/commandline.cpp
@@ -1136,8 +1136,7 @@
         cmd += " " + escape_arg(*argv++);
     }
 
-    // No need for shell protocol with logcat, always disable for simplicity.
-    return send_shell_command(cmd, true);
+    return send_shell_command(cmd);
 }
 
 static void write_zeros(int bytes, int fd) {
@@ -1861,7 +1860,7 @@
         cmd += " " + escape_arg(*argv++);
     }
 
-    return send_shell_command(cmd, false);
+    return send_shell_command(cmd);
 }
 
 static int install_app(int argc, const char** argv) {
@@ -2049,7 +2048,7 @@
         cmd += " " + escape_arg(*argv++);
     }
 
-    return send_shell_command(cmd, false);
+    return send_shell_command(cmd);
 }
 
 static int uninstall_app_legacy(int argc, const char** argv) {
@@ -2073,7 +2072,7 @@
 
 static int delete_file(const std::string& filename) {
     std::string cmd = "rm -f " + escape_arg(filename);
-    return send_shell_command(cmd, false);
+    return send_shell_command(cmd);
 }
 
 static int install_app_legacy(int argc, const char** argv) {
diff --git a/adb/client/commandline.h b/adb/client/commandline.h
index 36cd798..3d10030 100644
--- a/adb/client/commandline.h
+++ b/adb/client/commandline.h
@@ -92,7 +92,7 @@
 // resulting output.
 // if |callback| is non-null, stdout/stderr output will be handled by it.
 int send_shell_command(
-    const std::string& command, bool disable_shell_protocol,
-    StandardStreamsCallbackInterface* callback = &DEFAULT_STANDARD_STREAMS_CALLBACK);
+        const std::string& command, bool disable_shell_protocol = false,
+        StandardStreamsCallbackInterface* callback = &DEFAULT_STANDARD_STREAMS_CALLBACK);
 
 #endif  // COMMANDLINE_H