diff --git a/ir_main.c b/ir_main.c
index 06f80aa..4c864c0 100644
--- a/ir_main.c
+++ b/ir_main.c
@@ -965,7 +965,9 @@ finish:
 		int (*func)(void) = loader.main;
 		int ret = func();
 		fflush(stdout);
-		fprintf(stderr, "\nexit code = %d\n", ret);
+		if (ret) {
+			fprintf(stderr, "\nexit code = %d\n", ret);
+		}
 	}
 
 	return 0;
diff --git a/tests/debug.Windows-x86_64/regset-fib.irt b/tests/debug.Windows-x86_64/regset-fib.irt
index 1f34fdf..9a6d4b7 100755
--- a/tests/debug.Windows-x86_64/regset-fib.irt
+++ b/tests/debug.Windows-x86_64/regset-fib.irt
@@ -126,5 +126,3 @@ main:
 2584
 4181
 6765
-
-exit code = 0
diff --git a/tests/debug.Windows-x86_64/regset-fib2.irt b/tests/debug.Windows-x86_64/regset-fib2.irt
index 4da7a99..47a3200 100755
--- a/tests/debug.Windows-x86_64/regset-fib2.irt
+++ b/tests/debug.Windows-x86_64/regset-fib2.irt
@@ -151,5 +151,3 @@ main:
 4181
 6765
 6765
-
-exit code = 0
diff --git a/tests/debug.Windows-x86_64/regset-fibi.irt b/tests/debug.Windows-x86_64/regset-fibi.irt
index ba1c839..cd8685b 100755
--- a/tests/debug.Windows-x86_64/regset-fibi.irt
+++ b/tests/debug.Windows-x86_64/regset-fibi.irt
@@ -112,5 +112,3 @@ main:
 2584
 4181
 6765
-
-exit code = 0
diff --git a/tests/debug.aarch64/regset-fib.irt b/tests/debug.aarch64/regset-fib.irt
index 8bcf9ae..79fe8c3 100644
--- a/tests/debug.aarch64/regset-fib.irt
+++ b/tests/debug.aarch64/regset-fib.irt
@@ -126,5 +126,3 @@ main:
 2584
 4181
 6765
-
-exit code = 0
diff --git a/tests/debug.aarch64/regset-fib2.irt b/tests/debug.aarch64/regset-fib2.irt
index 3f94ea3..8b01655 100644
--- a/tests/debug.aarch64/regset-fib2.irt
+++ b/tests/debug.aarch64/regset-fib2.irt
@@ -148,5 +148,3 @@ main:
 4181
 6765
 6765
-
-exit code = 0
diff --git a/tests/debug.aarch64/regset-fibi.irt b/tests/debug.aarch64/regset-fibi.irt
index 4ace0da..e7f40d6 100644
--- a/tests/debug.aarch64/regset-fibi.irt
+++ b/tests/debug.aarch64/regset-fibi.irt
@@ -111,5 +111,3 @@ main:
 2584
 4181
 6765
-
-exit code = 0
diff --git a/tests/debug.x86/regset-fib.irt b/tests/debug.x86/regset-fib.irt
index 061a43d..efc29a4 100644
--- a/tests/debug.x86/regset-fib.irt
+++ b/tests/debug.x86/regset-fib.irt
@@ -123,5 +123,3 @@ main:
 2584
 4181
 6765
-
-exit code = 0
diff --git a/tests/debug.x86/regset-fib2.irt b/tests/debug.x86/regset-fib2.irt
index 5eee222..b39e7e8 100644
--- a/tests/debug.x86/regset-fib2.irt
+++ b/tests/debug.x86/regset-fib2.irt
@@ -147,5 +147,3 @@ main:
 4181
 6765
 6765
-
-exit code = 0
diff --git a/tests/debug.x86/regset-fibi.irt b/tests/debug.x86/regset-fibi.irt
index 383af98..508e376 100644
--- a/tests/debug.x86/regset-fibi.irt
+++ b/tests/debug.x86/regset-fibi.irt
@@ -109,5 +109,3 @@ main:
 2584
 4181
 6765
-
-exit code = 0
diff --git a/tests/debug/regset-fib.irt b/tests/debug/regset-fib.irt
index 37be2a9..861ec9e 100644
--- a/tests/debug/regset-fib.irt
+++ b/tests/debug/regset-fib.irt
@@ -126,5 +126,3 @@ main:
 2584
 4181
 6765
-
-exit code = 0
diff --git a/tests/debug/regset-fib2.irt b/tests/debug/regset-fib2.irt
index 2360980..a06739b 100644
--- a/tests/debug/regset-fib2.irt
+++ b/tests/debug/regset-fib2.irt
@@ -150,5 +150,3 @@ main:
 4181
 6765
 6765
-
-exit code = 0
diff --git a/tests/debug/regset-fibi.irt b/tests/debug/regset-fibi.irt
index 95fee54..ea70779 100644
--- a/tests/debug/regset-fibi.irt
+++ b/tests/debug/regset-fibi.irt
@@ -113,5 +113,3 @@ main:
 2584
 4181
 6765
-
-exit code = 0
diff --git a/tests/fibi_min.irt b/tests/fibi_min.irt
index c338804..503cb21 100644
--- a/tests/fibi_min.irt
+++ b/tests/fibi_min.irt
@@ -49,5 +49,3 @@ FibI
 100
 100
 100
-
-exit code = 0
diff --git a/tests/run/fcmp_001.irt b/tests/run/fcmp_001.irt
index d42bebe..9d358ec 100644
--- a/tests/run/fcmp_001.irt
+++ b/tests/run/fcmp_001.irt
@@ -877,5 +877,3 @@ lt:  01110_00110_00010_00000_00000
 ult: 01111_00111_00011_00001_11111
 le:  11110_01110_00110_00010_00000
 ule: 11111_01111_00111_00011_11111
-
-exit code = 0
diff --git a/tests/run/fcmp_002.irt b/tests/run/fcmp_002.irt
index d4ad1ac..392c5db 100644
--- a/tests/run/fcmp_002.irt
+++ b/tests/run/fcmp_002.irt
@@ -901,5 +901,3 @@ lt:  02220_00220_00020_00000_00000
 ult: 02222_00222_00022_00002_22222
 le:  22220_02220_00220_00020_00000
 ule: 22222_02222_00222_00022_22222
-
-exit code = 0
diff --git a/tests/run/fcmp_003.irt b/tests/run/fcmp_003.irt
index f9e9274..b32832d 100644
--- a/tests/run/fcmp_003.irt
+++ b/tests/run/fcmp_003.irt
@@ -3109,5 +3109,3 @@ lt:  03330_00330_00030_00000_00000
 ult: 03333_00333_00033_00003_33333
 le:  33330_03330_00330_00030_00000
 ule: 33333_03333_00333_00033_33333
-
-exit code = 0
diff --git a/tests/run/fcmp_004.irt b/tests/run/fcmp_004.irt
index f55dc04..fa2fe89 100644
--- a/tests/run/fcmp_004.irt
+++ b/tests/run/fcmp_004.irt
@@ -3109,5 +3109,3 @@ lt:  30003_33003_33303_33333_33333
 ult: 30000_33000_33300_33330_00000
 le:  00003_30003_33003_33303_33333
 ule: 00000_30000_33000_33300_00000
-
-exit code = 0