diff --git a/intrinsiccv/include/intrinsiccv/workspace/separable.h b/intrinsiccv/include/intrinsiccv/workspace/separable.h
index 5398f1db4457a4ade9733679cc91b571c662ada0..4013cbf5ba4fb9a75c8868f329c3b3b6371a32b8 100644
--- a/intrinsiccv/include/intrinsiccv/workspace/separable.h
+++ b/intrinsiccv/include/intrinsiccv/workspace/separable.h
@@ -127,10 +127,6 @@ class SeparableFilterWorkspace final {
                Rows<typename FilterType::DestinationType> dst_rows,
                size_t channels, typename FilterType::BorderType border_type,
                FilterType filter) INTRINSICCV_STREAMING_COMPATIBLE {
-    if (INTRINSICCV_UNLIKELY(rect.width() == 0 || rect.height() == 0)) {
-      return;
-    }
-
     // Border helper which calculates border offsets.
     typename FilterType::BorderInfoType vertical_border{rect.height(),
                                                         border_type};
diff --git a/intrinsiccv/src/resize/resize_neon.cpp b/intrinsiccv/src/resize/resize_neon.cpp
index 55c5e7317ec524f35e66879f7f93069301c9d07c..1e18a37fe188a0c3b959c885eb97a6ef1363f7df 100644
--- a/intrinsiccv/src/resize/resize_neon.cpp
+++ b/intrinsiccv/src/resize/resize_neon.cpp
@@ -25,10 +25,14 @@ static intrinsiccv_error_t check_dimensions(size_t src_dim, size_t dst_dim) {
   return INTRINSICCV_ERROR_RANGE;
 }
 
+// Disable the warning, as the complexity is just above the threshold, it's
+// better to leave it in one piece.
+// NOLINTBEGIN(readability-function-cognitive-complexity)
 INTRINSICCV_TARGET_FN_ATTRS
-static intrinsiccv_error_t check_resize_args(
-    const uint8_t *src, size_t src_stride, size_t src_width, size_t src_height,
-    uint8_t *dst, size_t dst_stride, size_t dst_width, size_t dst_height) {
+intrinsiccv_error_t resize_to_quarter_u8(const uint8_t *src, size_t src_stride,
+                                         size_t src_width, size_t src_height,
+                                         uint8_t *dst, size_t dst_stride,
+                                         size_t dst_width, size_t dst_height) {
   CHECK_POINTER_AND_STRIDE(src, src_stride);
   CHECK_POINTER_AND_STRIDE(dst, dst_stride);
   CHECK_IMAGE_SIZE(src_width, src_height);
@@ -41,20 +45,6 @@ static intrinsiccv_error_t check_resize_args(
     return ret;
   }
 
-  return INTRINSICCV_OK;
-}
-
-INTRINSICCV_TARGET_FN_ATTRS
-intrinsiccv_error_t resize_to_quarter_u8(const uint8_t *src, size_t src_stride,
-                                         size_t src_width, size_t src_height,
-                                         uint8_t *dst, size_t dst_stride,
-                                         size_t dst_width, size_t dst_height) {
-  if (intrinsiccv_error_t ret =
-          check_resize_args(src, src_stride, src_width, src_height, dst,
-                            dst_stride, dst_width, dst_height)) {
-    return ret;
-  }
-
   for (; src_height >= 2; src_height -= 2, src += (src_stride * 2),
                           --dst_height, dst += dst_stride) {
     const uint8_t *src_l = src;
@@ -129,5 +119,6 @@ intrinsiccv_error_t resize_to_quarter_u8(const uint8_t *src, size_t src_stride,
   }
   return INTRINSICCV_OK;
 }
+// NOLINTEND(readability-function-cognitive-complexity)
 
 }  // namespace intrinsiccv::neon
diff --git a/test/api/test_resize_linear.cpp b/test/api/test_resize_linear.cpp
index a011a259b307f03f779301ecebe3da69024d6aab..86902d00ddb00c87e90d937cf7a5e64a7313899c 100644
--- a/test/api/test_resize_linear.cpp
+++ b/test/api/test_resize_linear.cpp
@@ -20,6 +20,10 @@ TEST(ResizeLinear, NotImplemented) {
             intrinsiccv_resize_linear_u8(src, 1, 1, 1, dst, 2, 2, 1));
   EXPECT_EQ(INTRINSICCV_ERROR_NOT_IMPLEMENTED,
             intrinsiccv_resize_linear_u8(src, 1, 1, 1, dst, 1, 1, 2));
+  EXPECT_EQ(INTRINSICCV_ERROR_NOT_IMPLEMENTED,
+            intrinsiccv_resize_linear_u8(src, 1, 1, 1, dst, 4, 4, 2));
+  EXPECT_EQ(INTRINSICCV_ERROR_NOT_IMPLEMENTED,
+            intrinsiccv_resize_linear_u8(src, 1, 1, 1, dst, 2, 2, 4));
 }
 
 TEST(ResizeLinear, NullPointer) {
diff --git a/test/api/test_sobel.cpp b/test/api/test_sobel.cpp
index ce08c4bfa5a801033fbcd2f6a193d67315e5fff3..62b22171dbdba98b10deb63a0b669d7c65434800 100644
--- a/test/api/test_sobel.cpp
+++ b/test/api/test_sobel.cpp
@@ -237,6 +237,12 @@ TYPED_TEST(Sobel, CannotAllocateImageHorizontal) {
       sobel_3x3_horizontal<TypeParam>()(
           src, sizeof(src), dst, sizeof(dst), INTRINSICCV_MAX_IMAGE_PIXELS / 2,
           validSize, INTRINSICCV_MAXIMUM_CHANNEL_COUNT));
+
+  EXPECT_EQ(INTRINSICCV_ERROR_ALLOCATION,
+            sobel_3x3_vertical<TypeParam>()(src, sizeof(src), dst, sizeof(dst),
+                                            INTRINSICCV_MAX_IMAGE_PIXELS / 2,
+                                            validSize,
+                                            INTRINSICCV_MAXIMUM_CHANNEL_COUNT));
   MockMallocToFail::disable();
 }
 #endif