diff --git a/src/Frame.cpp b/src/Frame.cpp
index 7d4dc42ec..9577a7f9e 100644
--- a/src/Frame.cpp
+++ b/src/Frame.cpp
@@ -581,7 +581,7 @@ void Frame::Save(std::string path, float scale, std::string format, int quality)
 	std::shared_ptr<QImage> previewImage = GetImage();
 
 	// scale image if needed
-	if (abs(scale) > 1.001 || abs(scale) < 0.999)
+	if (fabs(scale) > 1.001 || fabs(scale) < 0.999)
 	{
 		int new_width = width;
 		int new_height = height;
diff --git a/src/effects/ColorShift.cpp b/src/effects/ColorShift.cpp
index 2a7a26d72..7ec62e14c 100644
--- a/src/effects/ColorShift.cpp
+++ b/src/effects/ColorShift.cpp
@@ -75,25 +75,24 @@ std::shared_ptr<Frame> ColorShift::GetFrame(std::shared_ptr<Frame> frame, int64_
 	// Get the current shift amount, and clamp to range (-1 to 1 range)
 	// Red Keyframes
 	float red_x_shift = red_x.GetValue(frame_number);
-	int red_x_shift_limit = round(frame_image_width * fmod(abs(red_x_shift), 1.0));
+	int red_x_shift_limit = round(frame_image_width * fmod(fabs(red_x_shift), 1.0));
 	float red_y_shift = red_y.GetValue(frame_number);
-	int red_y_shift_limit = round(frame_image_height * fmod(abs(red_y_shift), 1.0));
+	int red_y_shift_limit = round(frame_image_height * fmod(fabs(red_y_shift), 1.0));
 	// Green Keyframes
 	float green_x_shift = green_x.GetValue(frame_number);
-	int green_x_shift_limit = round(frame_image_width * fmod(abs(green_x_shift), 1.0));
+	int green_x_shift_limit = round(frame_image_width * fmod(fabs(green_x_shift), 1.0));
 	float green_y_shift = green_y.GetValue(frame_number);
-	int green_y_shift_limit = round(frame_image_height * fmod(abs(green_y_shift), 1.0));
+	int green_y_shift_limit = round(frame_image_height * fmod(fabs(green_y_shift), 1.0));
 	// Blue Keyframes
 	float blue_x_shift = blue_x.GetValue(frame_number);
-	int blue_x_shift_limit = round(frame_image_width * fmod(abs(blue_x_shift), 1.0));
+	int blue_x_shift_limit = round(frame_image_width * fmod(fabs(blue_x_shift), 1.0));
 	float blue_y_shift = blue_y.GetValue(frame_number);
-	int blue_y_shift_limit = round(frame_image_height * fmod(abs(blue_y_shift), 1.0));
+	int blue_y_shift_limit = round(frame_image_height * fmod(fabs(blue_y_shift), 1.0));
 	// Alpha Keyframes
 	float alpha_x_shift = alpha_x.GetValue(frame_number);
-	int alpha_x_shift_limit = round(frame_image_width * fmod(abs(alpha_x_shift), 1.0));
+	int alpha_x_shift_limit = round(frame_image_width * fmod(fabs(alpha_x_shift), 1.0));
 	float alpha_y_shift = alpha_y.GetValue(frame_number);
-	int alpha_y_shift_limit = round(frame_image_height * fmod(abs(alpha_y_shift), 1.0));
-
+	int alpha_y_shift_limit = round(frame_image_height * fmod(fabs(alpha_y_shift), 1.0));
 
 	// Make temp copy of pixels
 	unsigned char *temp_image = new unsigned char[frame_image_width * frame_image_height * 4]();
@@ -130,7 +129,6 @@ std::shared_ptr<Frame> ColorShift::GetFrame(std::shared_ptr<Frame> frame, int64_
 			blue_starting_row_index = starting_row_index;
 			alpha_starting_row_index = starting_row_index;
 
-
 			red_pixel_offset = 0;
 			green_pixel_offset = 0;
 			blue_pixel_offset = 0;
diff --git a/src/effects/Shift.cpp b/src/effects/Shift.cpp
index 0a58d152b..ee5815912 100644
--- a/src/effects/Shift.cpp
+++ b/src/effects/Shift.cpp
@@ -69,9 +69,9 @@ std::shared_ptr<Frame> Shift::GetFrame(std::shared_ptr<Frame> frame, int64_t fra
 
 	// Get the current shift amount, and clamp to range (-1 to 1 range)
 	double x_shift = x.GetValue(frame_number);
-	double x_shift_limit = fmod(abs(x_shift), 1.0);
+	double x_shift_limit = fmod(fabs(x_shift), 1.0);
 	double y_shift = y.GetValue(frame_number);
-	double y_shift_limit = fmod(abs(y_shift), 1.0);
+	double y_shift_limit = fmod(fabs(y_shift), 1.0);
 
 	// Declare temp arrays to hold pixels while we move things around
 	unsigned char *temp_row = new unsigned char[frame_image->width() * 4]();
diff --git a/src/effects/Wave.cpp b/src/effects/Wave.cpp
index 0647dc7c9..499fc9588 100644
--- a/src/effects/Wave.cpp
+++ b/src/effects/Wave.cpp
@@ -74,7 +74,7 @@ std::shared_ptr<Frame> Wave::GetFrame(std::shared_ptr<Frame> frame, int64_t fram
 	int pixel_count = frame_image->width() * frame_image->height();
 
 	// Get current keyframe values
-	double time = frame_number;//abs(((frame_number + 255) % 510) - 255);
+	double time = frame_number;
 	double wavelength_value = wavelength.GetValue(frame_number);
 	double amplitude_value = amplitude.GetValue(frame_number);
 	double multiplier_value = multiplier.GetValue(frame_number);