diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ab20d7..e8b70a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@
 - pkg-config fixes
 - Lots of minor cleanup in code/CMake (wantehchang)
 - Fix to NCLX color profile plumbing (ledyba-z)
+- Cleanup unnecessary avifBool ternary expressions
 
 ## [0.5.7] - 2020-03-03
 ### Added
diff --git a/apps/shared/y4m.c b/apps/shared/y4m.c
index c67d5d9..85d58bc 100644
--- a/apps/shared/y4m.c
+++ b/apps/shared/y4m.c
@@ -279,7 +279,7 @@
 avifBool y4mWrite(avifImage * avif, const char * outputFilename)
 {
     avifBool swapUV = AVIF_FALSE;
-    avifBool hasAlpha = (avif->alphaPlane && (avif->alphaRowBytes > 0)) ? AVIF_TRUE : AVIF_FALSE;
+    avifBool hasAlpha = (avif->alphaPlane != NULL) && (avif->alphaRowBytes > 0);
     avifBool writeAlpha = AVIF_FALSE;
     char * y4mHeaderFormat = NULL;
 
diff --git a/src/avif.c b/src/avif.c
index 70a748c..e7918cb 100644
--- a/src/avif.c
+++ b/src/avif.c
@@ -341,7 +341,7 @@
 
 avifBool avifImageUsesU16(avifImage * image)
 {
-    return (image->depth > 8) ? AVIF_TRUE : AVIF_FALSE;
+    return (image->depth > 8);
 }
 
 // avifCodecCreate*() functions are in their respective codec_*.c files
diff --git a/src/codec_aom.c b/src/codec_aom.c
index 7515681..2f40af3 100644
--- a/src/codec_aom.c
+++ b/src/codec_aom.c
@@ -300,7 +300,7 @@
         minQuantizer = AVIF_CLAMP(encoder->minQuantizerAlpha, 0, 63);
         maxQuantizer = AVIF_CLAMP(encoder->maxQuantizerAlpha, 0, 63);
     }
-    avifBool lossless = ((minQuantizer == AVIF_QUANTIZER_LOSSLESS) && (maxQuantizer == AVIF_QUANTIZER_LOSSLESS)) ? AVIF_TRUE : AVIF_FALSE;
+    avifBool lossless = ((minQuantizer == AVIF_QUANTIZER_LOSSLESS) && (maxQuantizer == AVIF_QUANTIZER_LOSSLESS));
     cfg.rc_min_quantizer = minQuantizer;
     cfg.rc_max_quantizer = maxQuantizer;
 
diff --git a/src/colr.c b/src/colr.c
index 7cc45ec..69287ea 100644
--- a/src/colr.c
+++ b/src/colr.c
@@ -150,7 +150,7 @@
 
 static avifBool matchesTo3RoundedPlaces(float a, float b)
 {
-    return (fabsf(a - b) < 0.001f) ? AVIF_TRUE : AVIF_FALSE;
+    return (fabsf(a - b) < 0.001f);
 }
 
 static avifBool primariesMatch(const float p1[8], const float p2[8])
diff --git a/src/read.c b/src/read.c
index 8a0d3e4..245c229 100644
--- a/src/read.c
+++ b/src/read.c
@@ -571,7 +571,7 @@
 
     for (unsigned int i = 1; i < tileCount; ++i) {
         avifTile * tile = &data->tiles.tile[firstTileIndex + i];
-        avifBool uvPresent = (tile->image->yuvPlanes[AVIF_CHAN_U] && tile->image->yuvPlanes[AVIF_CHAN_V]) ? AVIF_TRUE : AVIF_FALSE;
+        avifBool uvPresent = (tile->image->yuvPlanes[AVIF_CHAN_U] && tile->image->yuvPlanes[AVIF_CHAN_V]);
         if ((tile->image->width != tileWidth) || (tile->image->height != tileHeight) || (tile->image->depth != tileDepth) ||
             (tile->image->yuvFormat != tileFormat) || (tile->image->yuvRange != tileRange) || (uvPresent != tileUVPresent) ||
             ((tileProfile == AVIF_PROFILE_FORMAT_NCLX) &&
@@ -1001,7 +1001,7 @@
     uint8_t version;
     uint8_t flags[3];
     CHECK(avifROStreamReadVersionAndFlags(&s, &version, flags));
-    avifBool propertyIndexIsU16 = (flags[2] & 0x1) ? AVIF_TRUE : AVIF_FALSE; // is flags[2] correct?
+    avifBool propertyIndexIsU16 = ((flags[2] & 0x1) != 0);
 
     uint32_t entryCount;
     CHECK(avifROStreamReadU32(&s, &entryCount));
@@ -1021,12 +1021,12 @@
             uint16_t propertyIndex = 0;
             if (propertyIndexIsU16) {
                 CHECK(avifROStreamReadU16(&s, &propertyIndex));
-                // essential = (propertyIndex & 0x8000) ? AVIF_TRUE : AVIF_FALSE;
+                // essential = ((propertyIndex & 0x8000) != 0);
                 propertyIndex &= 0x7fff;
             } else {
                 uint8_t tmp;
                 CHECK(avifROStreamRead(&s, &tmp, 1));
-                // essential = (tmp & 0x80) ? AVIF_TRUE : AVIF_FALSE;
+                // essential = ((tmp & 0x80) != 0);
                 propertyIndex = tmp & 0x7f;
             }
 
@@ -1716,12 +1716,12 @@
 
 static avifBool avifFileTypeIsCompatible(avifFileType * ftyp)
 {
-    avifBool avifCompatible = (memcmp(ftyp->majorBrand, "avif", 4) == 0) ? AVIF_TRUE : AVIF_FALSE;
+    avifBool avifCompatible = (memcmp(ftyp->majorBrand, "avif", 4) == 0);
     if (!avifCompatible) {
-        avifCompatible = (memcmp(ftyp->majorBrand, "avis", 4) == 0) ? AVIF_TRUE : AVIF_FALSE;
+        avifCompatible = (memcmp(ftyp->majorBrand, "avis", 4) == 0);
     }
     if (!avifCompatible) {
-        avifCompatible = (memcmp(ftyp->majorBrand, "av01", 4) == 0) ? AVIF_TRUE : AVIF_FALSE;
+        avifCompatible = (memcmp(ftyp->majorBrand, "av01", 4) == 0);
     }
     if (!avifCompatible) {
         for (int compatibleBrandIndex = 0; compatibleBrandIndex < ftyp->compatibleBrandsCount; ++compatibleBrandIndex) {
@@ -2004,7 +2004,7 @@
             if (!item->id || !item->size) {
                 break;
             }
-            avifBool isGrid = (memcmp(item->type, "grid", 4) == 0) ? AVIF_TRUE : AVIF_FALSE;
+            avifBool isGrid = (memcmp(item->type, "grid", 4) == 0);
             if (memcmp(item->type, "av01", 4) && !isGrid) {
                 // probably exif or some other data
                 continue;
@@ -2045,7 +2045,7 @@
             if (!item->id || !item->size) {
                 break;
             }
-            avifBool isGrid = (memcmp(item->type, "grid", 4) == 0) ? AVIF_TRUE : AVIF_FALSE;
+            avifBool isGrid = (memcmp(item->type, "grid", 4) == 0);
             if (memcmp(item->type, "av01", 4) && !isGrid) {
                 // probably exif or some other data
                 continue;
diff --git a/src/stream.c b/src/stream.c
index 809ab1c..676fb3b 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -185,7 +185,7 @@
 {
     uint8_t version;
     CHECK(avifROStreamReadVersionAndFlags(stream, &version, NULL));
-    return (version == enforcedVersion) ? AVIF_TRUE : AVIF_FALSE;
+    return (version == enforcedVersion);
 }
 
 // ---------------------------------------------------------------------------
diff --git a/src/write.c b/src/write.c
index 5ca31df..bef902d 100644
--- a/src/write.c
+++ b/src/write.c
@@ -139,9 +139,9 @@
     }
 
     // TODO: consider collapsing all items into local structs for iteration / code sharing
-    avifBool hasAlpha = (alphaOBU.size > 0) ? AVIF_TRUE : AVIF_FALSE;
-    avifBool hasExif = (image->exif.size > 0) ? AVIF_TRUE : AVIF_FALSE;
-    avifBool hasXMP = (image->xmp.size > 0) ? AVIF_TRUE : AVIF_FALSE;
+    avifBool hasAlpha = (alphaOBU.size > 0);
+    avifBool hasExif = (image->exif.size > 0);
+    avifBool hasXMP = (image->xmp.size > 0);
 
     // -----------------------------------------------------------------------
     // Write ftyp
diff --git a/tests/testcase.c b/tests/testcase.c
index ab6142c..656fdbb 100644
--- a/tests/testcase.c
+++ b/tests/testcase.c
@@ -148,7 +148,7 @@
     if (!childItem || !cJSON_IsBool(childItem)) {
         return def;
     }
-    return (childItem->type == cJSON_True) ? AVIF_TRUE : AVIF_FALSE;
+    return (childItem->type == cJSON_True);
 }
 
 TestCase * testCaseFromJSON(cJSON * json)