diff --git a/interface/src/avatar/OtherAvatar.cpp b/interface/src/avatar/OtherAvatar.cpp
index ae453d5b00..b6a2ea3ed9 100755
--- a/interface/src/avatar/OtherAvatar.cpp
+++ b/interface/src/avatar/OtherAvatar.cpp
@@ -168,6 +168,7 @@ const btCollisionShape* OtherAvatar::createCollisionShape(int32_t jointIndex, bo
         }
         // Note: MultiSphereLow case really means: "skip fingers and use spheres for hands,
         // else fall through to MultiSphereHigh case"
+        /* fall-thru */
     case BodyLOD::MultiSphereHigh:
         computeDetailedShapeInfo(shapeInfo, jointIndex);
         break;
diff --git a/interface/src/ui/OctreeStatsDialog.cpp b/interface/src/ui/OctreeStatsDialog.cpp
index ea0f05f47f..43efe98d9d 100644
--- a/interface/src/ui/OctreeStatsDialog.cpp
+++ b/interface/src/ui/OctreeStatsDialog.cpp
@@ -424,6 +424,7 @@ void OctreeStatsDialog::showOctreeServersOfType(NodeType_t serverType) {
                                 extraDetails << "<br/>" << itemInfo.caption << " " << stats.getItemValue(item);
                             }
                         } // fall through... since MOST has all of MORE
+                        /* fall-thru */
                         case MORE: {
                             QString totalString = locale.toString((uint)stats.getTotalElements());
                             QString internalString = locale.toString((uint)stats.getTotalInternal());
diff --git a/libraries/graphics-scripting/src/graphics-scripting/ScriptableMeshPart.cpp b/libraries/graphics-scripting/src/graphics-scripting/ScriptableMeshPart.cpp
index 192071d3af..f14c63b560 100644
--- a/libraries/graphics-scripting/src/graphics-scripting/ScriptableMeshPart.cpp
+++ b/libraries/graphics-scripting/src/graphics-scripting/ScriptableMeshPart.cpp
@@ -440,6 +440,7 @@ QVector<glm::uint32> scriptable::ScriptableMeshPart::getFace(glm::uint32 faceInd
         if (faceIndex < getNumFaces()) {
             return getIndices().mid(faceIndex * getTopologyLength(), getTopologyLength());
         }
+    /* fall-thru */
     default: return QVector<glm::uint32>();
     }
 }
diff --git a/libraries/shared/src/avx2/BlendshapePacking_avx2.cpp b/libraries/shared/src/avx2/BlendshapePacking_avx2.cpp
index 1fea60a315..561274a79a 100644
--- a/libraries/shared/src/avx2/BlendshapePacking_avx2.cpp
+++ b/libraries/shared/src/avx2/BlendshapePacking_avx2.cpp
@@ -153,13 +153,13 @@ void packBlendshapeOffsets_AVX2(float (*unpacked)[9], uint32_t (*packed)[4], int
         __m256 s7 = _mm256_setzero_ps();
 
         switch (rem) {
-            case 7: s6 = _mm256_loadu_ps(unpacked[i+6]);
-            case 6: s5 = _mm256_loadu_ps(unpacked[i+5]);
-            case 5: s4 = _mm256_loadu_ps(unpacked[i+4]);
-            case 4: s3 = _mm256_loadu_ps(unpacked[i+3]);
-            case 3: s2 = _mm256_loadu_ps(unpacked[i+2]);
-            case 2: s1 = _mm256_loadu_ps(unpacked[i+1]);
-            case 1: s0 = _mm256_loadu_ps(unpacked[i+0]);
+            case 7: s6 = _mm256_loadu_ps(unpacked[i+6]); /* fall-thru */
+            case 6: s5 = _mm256_loadu_ps(unpacked[i+5]); /* fall-thru */
+            case 5: s4 = _mm256_loadu_ps(unpacked[i+4]); /* fall-thru */
+            case 4: s3 = _mm256_loadu_ps(unpacked[i+3]); /* fall-thru */
+            case 3: s2 = _mm256_loadu_ps(unpacked[i+2]); /* fall-thru */
+            case 2: s1 = _mm256_loadu_ps(unpacked[i+1]); /* fall-thru */
+            case 1: s0 = _mm256_loadu_ps(unpacked[i+0]); /* fall-thru */
         }
         
         __m256 t0 = _mm256_unpacklo_ps(s0, s1);
@@ -269,13 +269,13 @@ void packBlendshapeOffsets_AVX2(float (*unpacked)[9], uint32_t (*packed)[4], int
 
         // store pack x 8
         switch (rem) {
-            case 7: _mm_storeu_si128((__m128i*)packed[i+6], _mm256_extractf128_si256(v2, 1));
-            case 6: _mm_storeu_si128((__m128i*)packed[i+5], _mm256_extractf128_si256(v1, 1));
-            case 5: _mm_storeu_si128((__m128i*)packed[i+4], _mm256_extractf128_si256(v0, 1));
-            case 4: _mm_storeu_si128((__m128i*)packed[i+3], _mm256_castsi256_si128(v3));
-            case 3: _mm_storeu_si128((__m128i*)packed[i+2], _mm256_castsi256_si128(v2));
-            case 2: _mm_storeu_si128((__m128i*)packed[i+1], _mm256_castsi256_si128(v1));
-            case 1: _mm_storeu_si128((__m128i*)packed[i+0], _mm256_castsi256_si128(v0));
+            case 7: _mm_storeu_si128((__m128i*)packed[i+6], _mm256_extractf128_si256(v2, 1)); /* fall-thru */
+            case 6: _mm_storeu_si128((__m128i*)packed[i+5], _mm256_extractf128_si256(v1, 1)); /* fall-thru */
+            case 5: _mm_storeu_si128((__m128i*)packed[i+4], _mm256_extractf128_si256(v0, 1)); /* fall-thru */
+            case 4: _mm_storeu_si128((__m128i*)packed[i+3], _mm256_castsi256_si128(v3)); /* fall-thru */
+            case 3: _mm_storeu_si128((__m128i*)packed[i+2], _mm256_castsi256_si128(v2)); /* fall-thru */
+            case 2: _mm_storeu_si128((__m128i*)packed[i+1], _mm256_castsi256_si128(v1)); /* fall-thru */
+            case 1: _mm_storeu_si128((__m128i*)packed[i+0], _mm256_castsi256_si128(v0)); /* fall-thru */
         }
     }