diff --git a/core/io/marshalls.cpp b/core/io/marshalls.cpp
index b0d24abfe3b..1e76e2b4b24 100644
--- a/core/io/marshalls.cpp
+++ b/core/io/marshalls.cpp
@@ -299,10 +299,8 @@ Error decode_variant(Variant& r_variant,const uint8_t *p_buffer, int p_len,int *
 				ERR_FAIL_COND_V(len<12,ERR_INVALID_DATA);
 				Vector<StringName> names;
 				Vector<StringName> subnames;
-				bool absolute;
 				StringName prop;
 
-				int i=0;
 				uint32_t namecount=strlen&=0x7FFFFFFF;
 				uint32_t subnamecount = decode_uint32(buf+4);
 				uint32_t flags = decode_uint32(buf+8);
@@ -391,7 +389,6 @@ Error decode_variant(Variant& r_variant,const uint8_t *p_buffer, int p_len,int *
 
 			ie.type=decode_uint32(&buf[0]);
 			ie.device=decode_uint32(&buf[4]);
-			uint32_t len = decode_uint32(&buf[8])-12;
 
 			if (r_len)
 				(*r_len)+=12;
diff --git a/core/io/resource_loader.cpp b/core/io/resource_loader.cpp
index 1e014480f4d..3862790b02c 100644
--- a/core/io/resource_loader.cpp
+++ b/core/io/resource_loader.cpp
@@ -231,14 +231,12 @@ Ref<ResourceImportMetadata> ResourceLoader::load_import_metadata(const String &p
 		local_path = Globals::get_singleton()->localize_path(p_path);
 
 	String extension=p_path.extension();
-	bool found=false;
 	Ref<ResourceImportMetadata> ret;
 
 	for (int i=0;i<loader_count;i++) {
 
 		if (!loader[i]->recognize(extension))
 			continue;
-		found=true;
 
 		Error err = loader[i]->load_import_metadata(local_path,ret);
 		if (err==OK)
diff --git a/platform/android/audio_driver_opensl.cpp b/platform/android/audio_driver_opensl.cpp
index a08bc8943cb..761bef27aa7 100644
--- a/platform/android/audio_driver_opensl.cpp
+++ b/platform/android/audio_driver_opensl.cpp
@@ -236,13 +236,12 @@ void AudioDriverOpenSL::start(){
 
 	ERR_FAIL_COND( res !=SL_RESULT_SUCCESS );
 	/* Initialize arrays required[] and iidArray[] */
-	int i;
 	SLboolean required[MAX_NUMBER_INTERFACES];
 	SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];
 
 #if 0
 
-	for (i=0; i<MAX_NUMBER_INTERFACES; i++)
+	for (int i=0; i<MAX_NUMBER_INTERFACES; i++)
 	{
 	    required[i] = SL_BOOLEAN_FALSE;
 	    iidArray[i] = SL_IID_NULL;
diff --git a/platform/android/cpu-features.c b/platform/android/cpu-features.c
index 156d4647292..9cdadd54077 100644
--- a/platform/android/cpu-features.c
+++ b/platform/android/cpu-features.c
@@ -127,7 +127,7 @@ static __inline__ void x86_cpuid(int func, int values[4])
 static int
 get_file_size(const char* pathname)
 {
-    int fd, ret, result = 0;
+    int fd, result = 0;
     char buffer[256];
 
     fd = open(pathname, O_RDONLY);
diff --git a/platform/bb10/audio_driver_bb10.cpp b/platform/bb10/audio_driver_bb10.cpp
index 2f1d5a49b35..f12625d3b8c 100644
--- a/platform/bb10/audio_driver_bb10.cpp
+++ b/platform/bb10/audio_driver_bb10.cpp
@@ -53,7 +53,6 @@ Error AudioDriverBB10::init(const char* p_name) {
 		dev_name = (char *) p_name;
 	}
 	printf("******** reconnecting to device %s\n", dev_name);
-	int card, dev;
 	int ret = snd_pcm_open_name(&pcm_handle, dev_name, SND_PCM_OPEN_PLAYBACK);
 	ERR_FAIL_COND_V(ret < 0, FAILED);
 	pcm_open = true;
diff --git a/servers/physics/body_pair_sw.cpp b/servers/physics/body_pair_sw.cpp
index da4c1b48d82..7eab9eb86d0 100644
--- a/servers/physics/body_pair_sw.cpp
+++ b/servers/physics/body_pair_sw.cpp
@@ -194,7 +194,6 @@ bool BodyPairSW::_test_ccd(float p_step,BodySW *p_A, int p_shape_A,const Transfo
 
 	//cast a segment from support in motion normal, in the same direction of motion by motion length
 	//support is the worst case collision point, so real collision happened before
-	int a;
 	Vector3 s=p_A->get_shape(p_shape_A)->get_support(p_xform_A.basis.xform(mnormal).normalized());
 	Vector3 from = p_xform_A.xform(s);
 	Vector3 to = from + motion;
diff --git a/servers/visual/visual_server_raster.cpp b/servers/visual/visual_server_raster.cpp
index cf840c1be37..5b52ca93aa9 100644
--- a/servers/visual/visual_server_raster.cpp
+++ b/servers/visual/visual_server_raster.cpp
@@ -5219,7 +5219,6 @@ void VisualServerRaster::_light_instance_update_lispsm_shadow(Instance *p_light,
 
 
 	AABB proj_space_aabb;
-	float max_d,min_d;
 
 	{
 
diff --git a/tools/editor/io_plugins/editor_sample_import_plugin.cpp b/tools/editor/io_plugins/editor_sample_import_plugin.cpp
index 9491f957c39..9298b35b3ba 100644
--- a/tools/editor/io_plugins/editor_sample_import_plugin.cpp
+++ b/tools/editor/io_plugins/editor_sample_import_plugin.cpp
@@ -710,7 +710,7 @@ void EditorSampleImportPlugin::_compress_ima_adpcm(const Vector<float>& p_data,D
 	*(out++) =0;
 
 	for (i=0;i<datalen;i++) {
-		int step,diff,vpdiff,signed_nibble,p,mask;
+		int step,diff,vpdiff,mask;
 		uint8_t nibble;
 		int16_t xm_sample;