diff --git a/src/emu/cpu/z80/z80daisy.c b/src/emu/cpu/z80/z80daisy.c
index ce2597ce914..adfebcd2c52 100644
--- a/src/emu/cpu/z80/z80daisy.c
+++ b/src/emu/cpu/z80/z80daisy.c
@@ -130,7 +130,7 @@ int z80_daisy_chain::call_ack_device()
 		if (state & Z80_DAISY_INT)
 			return vector;
 	}
-	logerror("z80daisy_call_ack_device: failed to find an device to ack!\n");
+	//logerror("z80daisy_call_ack_device: failed to find an device to ack!\n");
 	return vector;
 }
 
diff --git a/src/emu/machine/z80ctc.c b/src/emu/machine/z80ctc.c
index 57b8d49f953..20199a89e42 100644
--- a/src/emu/machine/z80ctc.c
+++ b/src/emu/machine/z80ctc.c
@@ -240,7 +240,7 @@ int z80ctc_device::z80daisy_irq_ack()
 		}
 	}
 
-	logerror("z80ctc_irq_ack: failed to find an interrupt to ack!\n");
+	//logerror("z80ctc_irq_ack: failed to find an interrupt to ack!\n");
 	return m_vector;
 }
 
@@ -269,7 +269,7 @@ void z80ctc_device::z80daisy_irq_reti()
 		}
 	}
 
-	logerror("z80ctc_irq_reti: failed to find an interrupt to clear IEO on!\n");
+	//logerror("z80ctc_irq_reti: failed to find an interrupt to clear IEO on!\n");
 }
 
 
diff --git a/src/emu/machine/z80dart.c b/src/emu/machine/z80dart.c
index 3ef762f7a40..18586d83964 100644
--- a/src/emu/machine/z80dart.c
+++ b/src/emu/machine/z80dart.c
@@ -299,7 +299,7 @@ int z80dart_device::z80daisy_irq_ack()
 		}
 	}
 
-	logerror("z80dart_irq_ack: failed to find an interrupt to ack!\n");
+	//logerror("z80dart_irq_ack: failed to find an interrupt to ack!\n");
 
 	return m_chanB->m_rr[2];
 }
@@ -328,7 +328,7 @@ void z80dart_device::z80daisy_irq_reti()
 		}
 	}
 
-	logerror("z80dart_irq_reti: failed to find an interrupt to clear IEO on!\n");
+	//logerror("z80dart_irq_reti: failed to find an interrupt to clear IEO on!\n");
 }