diff --git a/Kernel/MasterPTY.cpp b/Kernel/MasterPTY.cpp
index b727830612..9c643183fb 100644
--- a/Kernel/MasterPTY.cpp
+++ b/Kernel/MasterPTY.cpp
@@ -6,6 +6,8 @@
 #include <LibC/signal_numbers.h>
 #include <LibC/sys/ioctl_numbers.h>
 
+//#define MASTERPTY_DEBUG
+
 MasterPTY::MasterPTY(unsigned index)
     : CharacterDevice(10, index)
     , m_slave(adopt(*new SlavePTY(*this, index)))
@@ -17,7 +19,9 @@ MasterPTY::MasterPTY(unsigned index)
 
 MasterPTY::~MasterPTY()
 {
+#ifdef MASTERPTY_DEBUG
     dbgprintf("~MasterPTY(%u)\n", m_index);
+#endif
     PTYMultiplexer::the().notify_master_destroyed(Badge<MasterPTY>(), m_index);
 }
 
@@ -55,7 +59,9 @@ bool MasterPTY::can_write(Process&) const
 
 void MasterPTY::notify_slave_closed(Badge<SlavePTY>)
 {
+#ifdef MASTERPTY_DEBUG
     dbgprintf("MasterPTY(%u): slave closed, my retains: %u, slave retains: %u\n", m_index, retain_count(), m_slave->retain_count());
+#endif
     // +1 retain for my MasterPTY::m_slave
     // +1 retain for FileDescriptor::m_device
     if (m_slave->retain_count() == 2)
diff --git a/Kernel/MemoryManager.cpp b/Kernel/MemoryManager.cpp
index e5720473e7..e348f5561d 100644
--- a/Kernel/MemoryManager.cpp
+++ b/Kernel/MemoryManager.cpp
@@ -630,20 +630,24 @@ Retained<Region> Region::clone()
 {
     ASSERT(current);
     if (m_shared || (m_readable && !m_writable)) {
+#ifdef MM_DEBUG
         dbgprintf("%s<%u> Region::clone(): sharing %s (L%x)\n",
                   current->process().name().characters(),
                   current->pid(),
                   m_name.characters(),
                   laddr().get());
+#endif
         // Create a new region backed by the same VMObject.
         return adopt(*new Region(laddr(), size(), m_vmo.copy_ref(), m_offset_in_vmo, String(m_name), m_readable, m_writable));
     }
 
+#ifdef MM_DEBUG
     dbgprintf("%s<%u> Region::clone(): cowing %s (L%x)\n",
               current->process().name().characters(),
               current->pid(),
               m_name.characters(),
               laddr().get());
+#endif
     // Set up a COW region. The parent (this) region becomes COW as well!
     for (size_t i = 0; i < page_count(); ++i)
         m_cow_map.set(i, true);
diff --git a/Kernel/PTYMultiplexer.cpp b/Kernel/PTYMultiplexer.cpp
index 3fcaa7b130..35852474df 100644
--- a/Kernel/PTYMultiplexer.cpp
+++ b/Kernel/PTYMultiplexer.cpp
@@ -3,6 +3,8 @@
 #include <Kernel/Process.h>
 #include <LibC/errno_numbers.h>
 
+//#define PTMX_DEBUG
+
 static const unsigned s_max_pty_pairs = 8;
 static PTYMultiplexer* s_the;
 
@@ -33,7 +35,9 @@ KResultOr<Retained<FileDescriptor>> PTYMultiplexer::open(int options)
         return KResult(-EBUSY);
     auto master_index = m_freelist.take_last();
     auto master = adopt(*new MasterPTY(master_index));
+#ifdef PTMX_DEBUG
     dbgprintf("PTYMultiplexer::open: Vending master %u\n", master->index());
+#endif
     return VFS::the().open(move(master), options);
 }
 
@@ -41,5 +45,7 @@ void PTYMultiplexer::notify_master_destroyed(Badge<MasterPTY>, unsigned index)
 {
     LOCKER(m_lock);
     m_freelist.append(index);
+#ifdef PTMX_DEBUG
     dbgprintf("PTYMultiplexer: %u added to freelist\n", index);
+#endif
 }
diff --git a/Kernel/Process.cpp b/Kernel/Process.cpp
index 21f219dda8..0179e84ae4 100644
--- a/Kernel/Process.cpp
+++ b/Kernel/Process.cpp
@@ -27,8 +27,8 @@
 #include <Kernel/ARP.h>
 
 //#define DEBUG_IO
-#define TASK_DEBUG
-#define FORK_DEBUG
+//#define TASK_DEBUG
+//#define FORK_DEBUG
 #define SIGNAL_DEBUG
 #define MAX_PROCESS_GIDS 32
 //#define SHARED_BUFFER_DEBUG
diff --git a/Kernel/SlavePTY.cpp b/Kernel/SlavePTY.cpp
index 93d2a0b652..980ac598e0 100644
--- a/Kernel/SlavePTY.cpp
+++ b/Kernel/SlavePTY.cpp
@@ -3,6 +3,8 @@
 #include "DevPtsFS.h"
 #include <Kernel/Process.h>
 
+//#define SLAVEPTY_DEBUG
+
 SlavePTY::SlavePTY(MasterPTY& master, unsigned index)
     : TTY(11, index)
     , m_master(master)
@@ -16,7 +18,9 @@ SlavePTY::SlavePTY(MasterPTY& master, unsigned index)
 
 SlavePTY::~SlavePTY()
 {
+#ifdef SLAVEPTY_DEBUG
     dbgprintf("~SlavePTY(%u)\n", m_index);
+#endif
     DevPtsFS::the().unregister_slave_pty(*this);
 }